国产美女极度色诱视频www,歪歪漫画在线观看官网免费,公车系强女奷校花雪柔,好吊视频一区二区三区

西安不鏽鋼管,西安不鏽鋼板,西安不鏽鋼棒,西安304不鏽鋼管,西安304不鏽鋼板,西安316不鏽鋼,西安321不鏽鋼,西安2520不鏽鋼,西安不鏽鋼無縫管,西安鏽鋼加工,西安不鏽鋼焊管,西安不鏽鋼方管,西安不鏽鋼管件,西安304不鏽鋼板,西安316不鏽鋼管,西安316不鏽鋼板,西安2520不鏽鋼管,西安2520不鏽鋼板,西安不鏽鋼法蘭,西安不鏽鋼角鋼,陝西不鏽鋼管,陝西不鏽鋼板,
文章詳情
所在位置: 首頁> 技術(shù)諮詢>

儀表常用不鏽鋼牌號及性能

日期:2025-04-30 19:54
瀏覽次數(shù):0
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>

儀表常用不鏽鋼牌號及性能

1. 304不鏽鋼

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。

 

2. 304L不鏽鋼

為解決因Cr23C6析出致使304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304不鏽鋼。除強度稍低外,其它性能同321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。

 

3. 304H不鏽鋼

304不鏽鋼的內(nèi)部分支,碳質(zhì)量分?jǐn)?shù)在0.04%0.10%,高溫性能優(yōu)於304不鏽鋼。

 

4. 316不鏽鋼

10Cr18Ni12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304不鏽鋼,主要用於耐點蝕材料。

 

5. 316L不鏽鋼

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。

 

6. 316H不鏽鋼

316不鏽鋼的內(nèi)部分支,碳質(zhì)量分?jǐn)?shù)在0.04%0.10%,高溫性能優(yōu)於316不鏽鋼。

 

7. 317不鏽鋼

耐點蝕和抗蠕變能力優(yōu)於316L不鏽鋼,用於製造石化及耐有機酸腐蝕的設(shè)備。

 

8. 321不鏽鋼

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。

 

9. 347不鏽鋼

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321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。

 

10. 904L不鏽鋼

超級完全奧氏體不鏽鋼,是芬蘭奧托昆普(OUTOKUMPU)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24%26%,碳質(zhì)量分?jǐn)?shù)小於0.02%,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70℃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)ASMESB-625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015Cr19Ni26Mo5Cu2鋼,少數(shù)歐洲儀表廠商的關(guān)鍵材質(zhì)采用904L不鏽鋼,例如E+ H的質(zhì)量流量計的測量管就是采用904L不鏽鋼,勞力士手表的表殼也采用904L不鏽鋼。

 

11. 440C不鏽鋼

馬氏體不鏽鋼、在可淬硬性不鏽鋼、不鏽鋼中硬度*高,硬度為HRC57。主要用於製作噴嘴,軸承,閥門的閥芯、閥座、套筒、閥桿等。

 

12. 17-4PH不鏽鋼

馬氏體沉澱硬化不鏽鋼,硬度為HRC44,具有高強度、硬度和抗腐蝕性,不能用於高於300℃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304不鏽鋼和430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。

陝公網(wǎng)安備 61010402000326號

少妇被三个黑人4p到惨叫| 小鸡庄园每日答案汇总| 未满十八18禁止免费无码网站| xxx摘花处破女疼痛| 女人爽到高潮潮喷叫床69| 五级黄高潮片90分钟视频| chinese山西老熟女bbw| 成人电影在线播放| 在线视频免费观看www动漫| 黑人与白人做爰 magnet| 欧美极品少妇×xxxbbb| 97亚洲成a人无码亚洲成a无码| 99久久久无码国产精品性| h动漫在线观看| 国产真实伦熟女实例hd| 国产中老年妇女精品| 国产成人久久一区二区不卡三区| 中文文字乱码一二三四| 少年阿宾1一72全文目录| 公和我边做饭边做好爽| 欧美午夜一区二区福利视频| 乱码丰满人妻一二三区| 日韩无码av| 日韩精品一区二区三区| 乖让我尿到里面h| 不扣钮的女孩电影| 真人性做爰无遮a片免费| 公与3个熄乱理在线播放| 天天做天天摸天天爽天天爱| 亚洲久热无码av中文字幕| 女厕偷窥一区二区三区| 老农民里老干棒媳妇回来了吗| 国产99久久久国产精品潘金莲| 色吊丝av中文字幕| 校草被老师肉到失禁h| 啊轻点灬大巴太粗太长了视频免费| 中国videosex高潮对白| 熟妇人妻一区二区三区四区| 一边做一边说国语对白| 女人下面突然一紧一紧的| 人人妻人人澡人人爽欧美一区双|