摘要：<p style="margin:0pt;"> <span style="font-family:宋體;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;">儀表常用不鏽鋼牌號及性能</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">1.&nbsp;304<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">是應(yīng)用量較大、使用範(fàn)圍*廣的奧氏體不鏽鋼之一，適用於製造深衝成型部件和輸酸管道、容器、結(jié)構(gòu)件、各類儀表本體等，也可以製造無磁、低溫設(shè)備和部件。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">2.&nbsp;304L<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">為解決因</span>Cr23C6<span style="font-family:宋體;">析出致使</span><span style="font-family:Calibri;">304</span><span style="font-family:宋體;">不鏽鋼在一些條件下存在嚴(yán)重的晶間腐蝕傾向而發(fā)展的超低碳奧氏體不鏽鋼，其敏化態(tài)耐晶間腐蝕能力顯著優(yōu)於</span><span style="font-family:Calibri;">304</span><span style="font-family:宋體;">不鏽鋼。除強度稍低外，其它性能同</span><span style="font-family:Calibri;">321</span><span style="font-family:宋體;">不鏽鋼，主要用於需焊接後又不能進行固溶處理的耐蝕設(shè)備和部件，可用於製造各類儀表本體等。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">3.&nbsp;304H<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">304<span style="font-family:宋體;">不鏽鋼的內(nèi)部分支，碳質(zhì)量分?jǐn)?shù)在</span><span style="font-family:Calibri;">0.04%</span><span style="font-family:宋體;">—</span><span style="font-family:Calibri;">0.10%</span><span style="font-family:宋體;">，高溫性能優(yōu)於</span><span style="font-family:Calibri;">304</span><span style="font-family:宋體;">不鏽鋼。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">4.&nbsp;316<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">在</span>10Cr18Ni12<span style="font-family:宋體;">鋼基礎(chǔ)上加人鉬，使鋼具有良好的耐還原性介質(zhì)和耐點腐蝕能力。在海水和其他各種介質(zhì)中，耐腐蝕性優(yōu)於</span><span style="font-family:Calibri;">304</span><span style="font-family:宋體;">不鏽鋼，主要用於耐點蝕材料。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">5.&nbsp;316L<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">超低碳鋼，具有良好的耐敏化態(tài)晶間腐蝕的性能，適用於製造厚截麵尺寸的焊接部件和設(shè)備，如石油化工設(shè)備中的耐蝕材料。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">6.&nbsp;316H<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">316<span style="font-family:宋體;">不鏽鋼的內(nèi)部分支，碳質(zhì)量分?jǐn)?shù)在</span><span style="font-family:Calibri;">0.04%</span><span style="font-family:宋體;">—</span><span style="font-family:Calibri;">0.10%</span><span style="font-family:宋體;">，高溫性能優(yōu)於</span><span style="font-family:Calibri;">316</span><span style="font-family:宋體;">不鏽鋼。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">7.&nbsp;317<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">耐點蝕和抗蠕變能力優(yōu)於</span>316L<span style="font-family:宋體;">不鏽鋼，用於製造石化及耐有機酸腐蝕的設(shè)備。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">8.&nbsp;321<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">鈦穩(wěn)定化的奧氏體不鏽鋼，添加鈦提高耐晶間腐蝕性能，並具有良好的高溫力學(xué)性能，可用超低碳奧氏體不鏽鋼代替。除高溫或抗氫腐蝕等專用場合外，一般情況不推薦使用。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">9.&nbsp;347<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">鈮穩(wěn)定化的奧氏體不鏽鋼，添加鈮提高耐晶間腐蝕性能，在酸、堿、鹽等腐蝕介質(zhì)中的耐蝕性同</span>321<span style="font-family:宋體;">不鏽鋼，焊接性能良好，即可作耐蝕材料又可作耐熱鋼使用，主要用於火電、石化領(lǐng)域，如製作容器、管道、熱交換器、軸類、工業(yè)爐中的爐管以及爐管溫度計等。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">10.&nbsp;904L<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">超級完全奧氏體不鏽鋼，是芬蘭奧托昆普</span>(OUTOKUMPU)<span style="font-family:宋體;">公司發(fā)明的一種超級奧氏體不鏽鋼，其鎳質(zhì)量分?jǐn)?shù)為</span><span style="font-family:Calibri;">24%</span><span style="font-family:宋體;">一</span><span style="font-family:Calibri;">26%</span><span style="font-family:宋體;">，碳質(zhì)量分?jǐn)?shù)小於</span><span style="font-family:Calibri;">0.02%</span><span style="font-family:宋體;">，耐腐蝕性極好，在非氧化性酸如硫酸、醋酸、甲酸、磷酸中具有很好的耐蝕性，同時具有良好的抗縫隙腐蝕及抗應(yīng)力腐蝕性能。適用於</span><span style="font-family:Calibri;">70</span><span style="font-family:宋體;">℃以下各種濃度硫酸，在常壓下耐任何濃度、任何溫度的醋酸及甲酸與醋酸的混酸中耐腐蝕性也很好。原有標(biāo)準(zhǔn)</span><span style="font-family:Calibri;">ASMESB-625</span><span style="font-family:宋體;">將其歸人鎳基合金，新標(biāo)準(zhǔn)將其歸為不鏽鋼。中國隻有近似牌號</span><span style="font-family:Calibri;">015Cr19Ni26Mo5Cu2</span><span style="font-family:宋體;">鋼，少數(shù)歐洲儀表廠商的關(guān)鍵材質(zhì)采用</span><span style="font-family:Calibri;">904L</span><span style="font-family:宋體;">不鏽鋼，例如</span><span style="font-family:Calibri;">E+ H</span><span style="font-family:宋體;">的質(zhì)量流量計的測量管就是采用</span><span style="font-family:Calibri;">904L</span><span style="font-family:宋體;">不鏽鋼，勞力士手表的表殼也采用</span><span style="font-family:Calibri;">904L</span><span style="font-family:宋體;">不鏽鋼。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">11.&nbsp;440C<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">馬氏體不鏽鋼、在可淬硬性不鏽鋼、不鏽鋼中硬度*高，硬度為</span>HRC57<span style="font-family:宋體;">。主要用於製作噴嘴，軸承，閥門的閥芯、閥座、套筒、閥桿等。</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">&nbsp;</span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">12.&nbsp;17-4PH<span style="font-family:宋體;">不鏽鋼</span></span> </p> <p style="margin:0pt;"> <span style="font-family:宋體;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;">馬氏體沉澱硬化不鏽鋼，硬度為</span>HRC44<span style="font-family:宋體;">，具有高強度、硬度和抗腐蝕性，不能用於高於</span><span style="font-family:Calibri;">300</span><span style="font-family:宋體;">℃的溫度。對大氣及稀釋酸或鹽都具有良好的抗腐蝕能力，它的抗腐蝕能力與</span><span style="font-family:Calibri;">304</span><span style="font-family:宋體;">不鏽鋼和</span><span style="font-family:Calibri;">430</span><span style="font-family:宋體;">不鏽鋼一樣，用於製造海上平臺，渦輪機葉片，閥門的閥芯、閥座、套筒、閥桿等。</span></span> </p>