
<p>石油裂化钢管是一种具有中空截面、周边没有接缝的长条钢材,石油裂化钢管是一种经济截面钢材,广泛用于制造结构件和机械零件,如石油钻杆、汽车传动轴、自行车架以及建筑施工中用的钢脚手架等。用石油裂化管制造环形零件,可提高材料利用率,简化制造工序,节约材料和加工工时,如滚动轴承套圈、千斤顶套等,当前已广泛用钢管来制造。石油裂化管还是各种常规武器不可缺少的材料,枪管、炮筒等都要石油裂化管来制造。石油裂化管按横截面积形状的不同可分为圆管和异型管。由于在周长相等的条件下,石油裂化钢管面积最大,用圆形管可以输送更多的流体。</p><p> 制造材质</p><p>用于石油炼厂的炉管、热交换器管和管道用无缝管。常用优质碳素钢(10#、20#)、合金钢(12CrMo、15CrMo)、耐热钢(12Cr2Mo、15Cr5Mo)、不锈钢(1Cr18Ni9、1Cr18Ni9Ti)制造。石油裂化钢管除得证化学成分和各种机械性能外,还要保证水压、压扁、扩口等试验,及表面质量和无损检验。钢管在热处理状态下交货。高压管:用各种不锈钢热轧,冷轧的不锈钢管,广泛应用于石油、化工设备管道和各种用途的不锈钢结构零件,除应保证化学成分和机械性能,凡用作承受流体压力的钢管要保证水压试验合格。</p><p>注意事项</p><p>石油裂化管使用过程中,要经常检查和清洁软管,发现老化、龟裂、起泡、烤焦、鼠虫齿,不要压、折燃气软管,以免造成堵塞;软管与灶具、管道的接口处,要用管卡扎牢,防止脱落漏气;软管不能穿墙、地面、门、窗、柜、顶棚使用。</p><p> 机械性能及化学分析</p><p>尺寸公差</p><table class="MsoNormalTable" border="0" style="margin-left: -2.1pt; border: none;"><tbody><tr style="height:16.5000pt;" class="firstRow"><td valign="center" colspan="2" style="padding: 1.5pt 7.5pt; border-width: 1pt; border-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>石油裂化钢管外径</p></td><td valign="center" colspan="2" style="padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>石油裂化钢管壁厚</p></td></tr><tr style="height:16.5000pt;"><td width="89" valign="center" style="width: 66.75pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>钢管尺寸(mm)</p></td><td width="74" valign="center" style="width: 55.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>允许偏差</p></td><td width="121" valign="center" style="width: 90.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>钢管尺寸(mm)</p></td><td width="117" valign="center" style="width: 87.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>允许偏差</p></td></tr><tr style="height:16.5000pt;"><td width="89" valign="center" style="width: 66.75pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 30</p></td><td width="74" valign="center" style="width: 55.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>± 0.20mm</p></td><td width="121" valign="center" style="width: 90.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 3</p></td><td width="117" valign="center" style="width: 87.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>+12 % ,-10 %</p></td></tr><tr style="height:16.5000pt;"><td width="89" valign="center" style="width: 66.75pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>> 30~50</p></td><td width="74" valign="center" style="width: 55.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>± 0.30mm</p></td><td valign="center" rowspan="2" style="padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>> 3</p></td><td valign="center" rowspan="2" style="padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>±12 %</p></td></tr><tr style="height:16.5000pt;"><td width="89" valign="center" style="width: 66.75pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>> 50</p></td><td width="74" valign="center" style="width: 55.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>± 0.8%</p></td></tr></tbody></table><p>机械性能</p><table class="MsoNormalTable" border="0" style="margin-left: -2.1pt; border: none;"><tbody><tr style="height:16.5000pt;" class="firstRow"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-width: 1pt; border-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>牌号</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>抗拉强度(MPa)</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>屈服强度(MPa)</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>伸长率(%)</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>冲击功(J)</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>布氏硬度(HB)</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>交货状态</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>10#</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>330-490</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 205</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 24</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>正火</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>20#</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>410-550</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 245</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 21</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 39</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>正火</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>12CrMo</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>410-560</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 205</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 21</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 55</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 156</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>正火加回火</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>15CrMo</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>440-640</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 235</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 21</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 47</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 170</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>正火加回火</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>1Cr2Mo</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 390</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 175</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 22</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 92</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 179</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>正火加回火</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>1Cr19Ni9</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 520</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 205</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 35</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>固溶</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>1Cr19Ni11Nb</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 520</p></td><td width="91" valign="center" style="width: 68.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 205</p></td><td width="70" valign="center" style="width: 52.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥ 35</p></td><td width="67" valign="center" style="width: 50.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="85" valign="center" style="width: 63.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="75" valign="center" style="width: 56.25pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>固溶</p></td></tr></tbody></table><p>化学成份</p><table class="MsoNormalTable" border="0" style="margin-left: -2.1pt; border: none;"><tbody><tr style="height:16.5000pt;" class="firstRow"><td valign="center" rowspan="2" style="padding: 1.5pt 7.5pt; border-width: 1pt; border-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>钢管牌号</p></td><td valign="center" colspan="9" style="padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>石油裂化钢管化学成份</p></td></tr><tr style="height:16.5000pt;"><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>C</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>Si</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>Mn</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>P</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>S</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>Cr</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>Mo</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>Ni</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top-width: 1pt; border-top-color: rgb(230, 230, 230); border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>Nb+Ti</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>10#</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.17-0.14</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.17-0.37</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.35-0.65</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.15</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.25</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>20#</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.17-0.24</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.17-0.37</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.35-0.65</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.25</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.25</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>12CrMo</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.08-0.15</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.17-0.37</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.40-0.70</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.40-0.70</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.40-0.55</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.30</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>15CrMo</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.12-0.18</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.17-0.37</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.40-0.70</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.80-1.10</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.40-0.55</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.30</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>1Cr2Mo</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 0.15</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.50-1.00</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.30-0.60</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.030</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>2.15-2.85</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.45-0.65</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>1Cr19Ni9</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.04-0.10</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 1.00</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 2.00</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.030</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>18.00-20.00</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>8.00-11.00</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td></tr><tr style="height:16.5000pt;"><td width="107" valign="center" style="width: 80.25pt; padding: 1.5pt 7.5pt; border-left-width: 1pt; border-left-color: rgb(230, 230, 230); border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>1Cr19Ni11Nb</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>0.04-0.10</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 1.00</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤ 2.00</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.035</p></td><td width="66" valign="center" style="width: 49.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≤0.030</p></td><td width="98" valign="center" style="width: 73.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>17.00-20.00</p></td><td width="82" valign="center" style="width: 61.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>/</p></td><td width="90" valign="center" style="width: 67.5pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>9.00-13.00</p></td><td width="81" valign="center" style="width: 60.75pt; padding: 1.5pt 7.5pt; border-left: none; border-right-width: 1pt; border-right-color: rgb(230, 230, 230); border-top: none; border-bottom-width: 1pt; border-bottom-color: rgb(230, 230, 230); background: rgb(255, 255, 255);"><p>≥8C-1.00</p></td></tr></tbody></table><p>涡流检测</p><p>拉拔式扩制石油裂化管至少经两道次扩管,每个道次的扩管采用现有的扩管方法,除最后一道次扩管外,其余每一道次扩管后,打开卡环;升降机构连接的支座上的两摩擦轮将石油裂化管托起离开扩管承台;与旋转装置连接的一摩擦轮转动,带动钢管转动一角度,转动角度应满足放下石油裂化管后,石油裂化管原与扩管承台接触处不再与其接触;升降装置下降复位,两摩擦轮脱离钢管,钢管受扩管承台支撑,锁紧卡环,进行下一道次扩管。通过试验模索出钢管在挤压拉拔等热加工工序中优化的加热温度,并通过调整钢管最终热处理的工序位置及合理选择热处理的正火、回火温度,使石油裂化管的力学性能指标得到进一步的提高。石油裂化管主要用来制造高压和超高压锅炉的过热器管、再热器管、导气管、主蒸汽管等。种类锅炉管按所承受的高温性能分为一般锅炉管和高压锅炉管。无论一般锅炉管或石油裂化管按其用途要求不同又可分为各种钢管。涡流检测可实现快速和自动化检测。涡流检测能适用于高温金属的检测,因为金属在高温下具有导电性。石油裂化管涡流检测还适用于异形材的检测,只要线圈制成各种形状就可以进行检测。石油裂化管使用时经常处于高温和高压条件,管子在高温烟气和水蒸气的作用下,会发生氧化和腐蚀。要求钢管具有高的持久强度,高的抗氧化腐蚀性能,并有良好的组织稳定性。给水速度不应太快,生火后应随时注意炉内水位,如水位上升超过最高水位时,应进行排污以降水位。若炉内发生特殊响声,锅炉工应立即检查,必要时应停炉检查。石油裂化管运行中,汽泡内应保持规定的水位,压力不能超过锅炉操作压力,锅炉工,应经常监视汽压表。石油裂化管满水时,应及时排水,停止共水,使水位恢复正。停炉后,待水漫漫冷却到70度以下后,方可把炉水放出,放净后再用化学处理锅炉水圬。</p><p></p>