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閥門常用材料及對應牌號
發布時間:2020-4-10
       常用閥門材質:閥體、閥蓋和閘板(閥瓣)是閥門主要零件之一,直接承受介質壓力 ,所用材料必須符合“閥門的壓力與溫度等級”的規定。

changyongfamencaizhi:

       fati、fagaihezhaban(faban)shifamenzhuyaolingjianzhiyi,zhijiechengshoujiezhiyali,suoyong cailiaobixufuhe“famendeyaliyuwendudengji”deguiding。

       常用材料有下面幾種:
一、灰鑄鐵:

       灰鑄鐵適用于公稱壓力PN≤1.0MPa,溫度為-10℃~200℃的水、蒸汽、空氣 、煤氣及油品等介質。灰鑄鐵常用牌號為:HT200、HT250、HT300、HT350。
二、可鍛鑄鐵:

       適用于公稱壓力PN≤2.5MPa,溫度為-30~300℃的水、蒸汽、空氣及油品介 質,常用牌號有:KTH300—06、KTH330—08、KTH350—10。
三、球墨鑄鐵:

       shiyongyupn≤4.0mpa,wenduwei-30~350℃deshui、zhengqi、kongqijiyoupindengjiezhi。chang yongpaihaoyou:qt400—15、qt450—10、qt500—7。 

       jianyumuqianguoneigongyishuiping,gechangcanchabuqi,yonghuyouwangwangbuyijianyan。genjujingyan, jianyipn≤2.5mpa,famenhuanshicaiyonggangzhifamenweianquan。 

si、naisuangaoguiqiumozhutie:

       shiyongyugongchengyalipn≤0.25mpa,wendudiyu120℃defushixingjiezhi。 

wu、tansugang:

       shiyongyugongchengyalipn≤32.0mpa,wenduwei-30~425℃deshui、zhengqi、kongqi、qing、 an、danjishiyouzhipindengjiezhi。changyongpaihaoyouwc1、wcb、zg25jiyouzhigang20、25、30jidihejinjiegougang16mn。

liu、tonghejin:

       shiyongyupn≤2.5mpadeshui、haishui、yangqi、kongqi、youpindengjiezhi,yijiwendu-40~ 250℃dezhengqijiezhi,changyongpaihaoweizgnsn10zn2(xiqingtong),h62、hpb59—1(huangtong)、qaz19—2、qa19—4(lvqingtong)。 

qi、gaowentong:

       shiyongyugongchengyalipn≤17.0mpa、wendu≤570℃dezhengqijishiyouchanpin。changyongpaihaoyou zgcr5mo,1cr5m0. zg20crmov, zg15gr1mo1v, 12crmov , wc6, wc9dengpaihao。jutixuanyongbixuanzhaofamenyaliyuwen duguifandeguiding。 

ba、diwengang

       shiyongyugongchengyalipn≤6.4mpa,wendu≥—196℃yixi,bingxi,yetaitianranqi,yedan dengjiezhi,changyongpaihao)youzg1cr18ni9 、0cr18ni9、 1cr18ni9ti 、zg0cr18ni9 

jiu、buxiunaisuangang

       shiyongyugongchengyalipn≤6.4mpa 、wendu≤200℃xiaosuan,cusuandengjiezhi,changyongpaihaoyou zg0cr18ni9ti 、 zg0cr18ni10<naixiaosuan>,zg0cr18ni12mo2ti 、zg1cr18ni12mo2ti<naisuanheniaosu>