不鏽鋼板耐腐蝕的原因是什麼
suoyoujinshudouhedaqizhongdeyangqijinxingfanying，zaibiaomianxingchengyanghuamo。buxingdeshi，zaiputongtangangshangxingchengdeyanghuatiejixujinxingyanghua，shixiushibuduankuoda，zuizhongxingchengkongdong。keyiliyongyouqihuonaiyanghuadejinshu（例如，鋅，鎳和鉻）進行電鍍來保證碳鋼表麵，但是，正如人們所知道的那樣，這種保護僅是一種薄膜。如果保護層被破壞，下麵的鋼便開始鏽蝕。
在鉻的添加量達到11.7%yishangshi，gangdenaidaqifushixingnengxianzhuzengjia，dangehanlianggenggaoshi，jinguanrengketigaonaifushixing，danbumingxian。yuanyinshiyonggeduigangjinxinghejinhuachulishi，babiaomianyanghuawudeleixinggaibianchengleleisiyuchungejinshushangxingchengdebiaomianyanghuawu。zhezhongjinmizhanfudefugeyanghuawubaohubiaomian，fangzhijinyibudiyanghua。zhezhongyanghuacengjibo，touguotakeyikandaogangbiaomiandeziranguangze，shibuxiugangjuyoudutedebiaomian。erqie，ruguosunhuailebiaoceng，suobaoluchudegangbiaomianhuihedaqifanyingjinxingziwoxiuli，zhongxinxingchengzhezhongyanghuawu"鈍化膜"，繼續起保護作用。 因此，所有的不鏽鋼元素都具有一種共同的特性，即鉻含量均在10．5%以上。
化學成分 C Si Mn P S Cr Ni
標準 £0.08 £1.50 £2.00 £0.045 £0.030 24.00~26.00 19.0~22.0
一般 0.05 0.51 1.3 0.020 0.001 25.50 19.60
不鏽鋼不會產生腐蝕、點蝕、xiushihuomosun。buxiuganghaishijianzhuyongjinshucailiaozhongqiangduzuigaodecailiaozhiyi。youyubuxiugangjuyoulianghaodenaifushixing，suoyitanengshijiegoubujianyongjiudibaochigongchengshejidewanzhengxing。hangebuxiuganghaijijixieqiangduhegaoyanshenxingyuyishen，yiyubujiandejiagongzhizao，kemanzujianzhushihejiegoushejirenyuandexuyao.