摘要：<span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">316L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和雙相不鏽鋼管的區(qū)彆</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">雙相不鏽鋼管兼有</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">和奧氏體不鏽鋼管件產(chǎn)品的性能特點(diǎn)。本文就雙相不鏽鋼管件與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、</span><span style="font-family:'Times New Roman';"><span lang="EN-US">316L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">為主要材質(zhì)的不鏽鋼管件產(chǎn)品進(jìn)行對比，得出如下區(qū)彆點(diǎn)：</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">A</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、雙相不鏽鋼管件具有優(yōu)異的耐應(yīng)力腐蝕破裂的能力，尤其在含氯離子的環(huán)境中，即使是含合金量*低的雙相不鏽鋼管也有比奧氏體不鏽鋼管更高的耐應(yīng)力腐蝕破裂的能力，應(yīng)力腐蝕是普通奧氏體不鏽鋼管難以解決的突出題目</span><span lang="EN-US"><span style="font-family:'Times New Roman';">;</span></span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">B</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、在很多介質(zhì)中應(yīng)用*普遍的雙相不鏽鋼管件的耐腐蝕性優(yōu)於普通的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">316L</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">奧氏體不鏽鋼管，而超級雙相不鏽鋼管具有極高的耐腐蝕性，在一些介質(zhì)中，如醋酸、甲酸等甚至可以取代高合金奧氏體不鏽鋼管，乃至耐蝕合金</span><span lang="EN-US"><span style="font-family:'Times New Roman';">;</span></span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">C</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、具有良好的耐局部腐蝕性能，與合金含量相當(dāng)?shù)膴W氏體不鏽鋼管相比，鑒於雙相不鏽鋼管的高強(qiáng)度和良好耐腐蝕性能，它的耐磨損腐蝕和腐蝕疲憊性能都優(yōu)於</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不鏽鋼管件。</span></span> </p> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><br /> </span></span> </p> <span style="font-family:宋體;font-size:small;"> </span>