西安不锈钢地铁車(chē)辆車(chē)體(tǐ)选材设计的耐腐蚀要求

摘要：<p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">西安</span></span><span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">不锈钢地铁車(chē)辆車(chē)體(tǐ)选材设计的耐腐蚀要求</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">西安</span></span><span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">不锈钢地铁車(chē)辆具有(yǒu)环保、免油漆、耐腐蚀等优点，带给人们</span>“不生锈、易清洁、**质感”的美好印象。不锈钢的金属质感符合现代审美，在國(guó)外城市轨道交通中得到了大量应用(yòng)，在國(guó)内，不锈钢因為(wèi)新(xīn)基建而越来越多(duō)地用(yòng)于國(guó)内城市轨道交通中。</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">据小(xiǎo)编了解，目前國(guó)内不锈钢地铁車(chē)辆的車(chē)體(tǐ)材料设计多(duō)数采用(yòng)</span>“不锈钢＋局部碳钢”的混合设计模式。</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">那</span>“不锈钢＋局部碳钢”的混合设计模式是什么呢(ne)？即整个地铁車(chē)辆的車(chē)體(tǐ)仅端牵枕采用(yòng)碳钢材料，其余部分(fēn)為(wèi)不锈钢材料。端牵枕采用(yòng)碳钢材料主要是為(wèi)了解决端牵枕部位的厚板承力和焊接变形等问题。</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">那么不锈钢地铁車(chē)辆車(chē)體(tǐ)材料主要是哪些不锈钢材质呢(ne)？即為(wèi)耐腐蚀性能(néng)优良的</span>SUS301L<span style="font-family:宋體(tǐ);">系列奥氏體(tǐ)不锈钢，其中包括</span><span style="font-family:Calibri;">SUS301L-ST</span><span style="font-family:宋體(tǐ);">､</span><span style="font-family:Calibri;">SUS301L-MT</span><span style="font-family:宋體(tǐ);">､</span><span style="font-family:Calibri;">SUS301L-HT</span><span style="font-family:宋體(tǐ);">､</span><span style="font-family:Calibri;">SUS301L-DLT</span><span style="font-family:宋體(tǐ);">等多(duō)个强度级别的不锈钢材质。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">讲到这里，小(xiǎo)编突然想起</span>4<span style="font-family:宋體(tǐ);">个月前曾写过《“新(xīn)基建”少不了</span><span style="font-family:Calibri;">301L</span><span style="font-family:宋體(tǐ);">不锈钢的参与！》这篇文(wén)大家有(yǒu)兴趣的可(kě)以看看。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">言归正传，选择</span>SUS301L<span style="font-family:宋體(tǐ);">不锈钢材质主要考虑地铁車(chē)辆車(chē)體(tǐ)部件的强度需求以及成型要求。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;"><span style="font-family:宋體(tǐ);">地铁車(chē)辆車(chē)體(tǐ)的底架端部结构為(wèi)碳钢材料，牵枕缓承力部件主要采用(yòng)具有(yǒu)良好冷成型性能(néng)的高强度耐候钢。不锈钢材料的耐腐蚀性能(néng)较好，而且表面不需要再涂漆，但是外露的弧焊焊缝部位要进行钝化处理(lǐ)，碳钢部件外露面、异种钢接头混合區(qū)域都要进行油漆处理(lǐ)。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:Calibri;font-size:10.5pt;mso-spacerun:&quot;yes&quot;;mso-bidi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:1.0000pt;mso-fareast-font-family:宋體(tǐ);">&nbsp;</span> </p>