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如何防止小口径精密钢管晶间腐蚀

时间:2020-08-07 14:44:39 来源:山东精密钢管厂 http://0915xx.com

RUHEFANGZHIXIAOKOUJINGJINGMIGANGGUANJINGJIANFUSHI,XIAOKOUJINGJINGMIGANGGUANCAIYONGSHIDANGRECHULIGONGYI,KEYIFANGZHIJINGJIANFUSHI,HUODEZUIJIADENAISHIXING。

  如何防止小口径精密钢管晶间腐蚀

  1)降低钢中的碳量,使钢中合碳量低于平衡状态下在奥氏体内的饱和溶解度,即从根本上解决了铬的碳化物(Cr23C6)在晶界上析出的问题。通常钢中合碳量降至0.03%以下即可满足抗晶间腐蚀性能的要求。这就是说304L的抗晶间腐蚀能力要好于304小口径精密钢管的康晶间腐蚀能力要好意316的原因。

  2)JIARUTi、NbDENGNENGXINGCHENGWENDINGTANHUAWU(TiCHUONbC)DEYUANSU,BIMIANZAIJINGJIESHANGXICHUCr23C6,XIAOKOUJINGJINGMIGANGGUANJIKEFANGSHANGAOSHITIBUXIUGANGDEJINGJIANFUSHI。SUOYI321KANGJINGJIANFUSHINENGLIHAOYI304.

  3)XIAOKOUJINGJINGMIGANGGUANTONGGUODIAOZHENGGANGZHONGAOSHITIXINGCHENGYUANSUYUTIESUTIXINGCHENGYUANSUDEBILI,SHIQIJUYOUAOSHITI+TIESUOTISHUANGXIANGZUZHI,QIZHONGTIESUTIZHAN5%YI12%。ZHEIZHONGSHUANGXIANGZUZHIBUYICHANSHENGJINGJIANFUSHI。ZHEIJIUSHIWEISHENME2205DEKANGJINGJIANFUSHINENGLIHAOYAOHAOYUYIBANDEAOSHITIBUXIUGANGGUAN。

  

小口径<a href=http://0915xx.com target=_blank class=infotextkey>精密钢管</a>

 

  4)XIAOKOUJINGJINGMIGANGGUANCAIYONGSHIDANGRECHULIGONGYI,KEYIFANGZHIJINGJIANFUSHI,HUODEZUIJIADENAISHIXING。