###

天下办事>### /15629032308

   
    本阀门质料选用表是用来大抵指出与某种流体介质打仗而产生反响时,应怎样选择得当的质料。表中的保举不是相对的,由于碳钢,铸铁,不锈钢,青铜,蒙乃尔合金,哈氏合金,钛,钴铬合金,沉淀钢等阀门质料的耐腐化性与流体的浓度、温度、压力和杂质等要素有关。因而,必需夸大本表只能作为一个导则参考。

流体介质 阀门质料
碳钢 铸铁 302

304


316


青铜







B




C




20




﹟6
416


440C


17-4
PH


乙醛
醋酸(无气的)
醋酸(充气的)
醋酸蒸气
丙酮
A
C
C
C
A
A
C
C
C
A
A
B
A
A
A
A
B
A
A
A
A
B
A
B
A
A
B
A
B
A
LL
A
A
LL
A
A
A
A
A
A
A
A
A
B
A
LL
A
A
A
A
LL
A
A
A
A
A
C
C
C
A
A
C
C
C
A
A
B
B
B
A
乙炔
乙醇
硫酸铝

氯化铵
A
A
C
A
C
A
A
C
A
C
A
A
A
A
B
A
A
A
A
B
LL
A
B
C
B
A
A
B
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
LL
A
A
A
A
A
A
LL
A
B
A
A
C
A
C
A
A
C
A
C
A
A
LL
LL
LL
硝酸铵
磷酸铵(一价的)
硫酸铵
亚硫酸铵
苯胺
A
C
C
C
C
C
C
C
C
C
A
A
B
A
A
A
A
A
A
A
C
B
B
C
C
C
B
A
C
B
A
A
A
LL
A
A
A
A
A
A
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
C
B
C
B
C
B
B
C
B
C
LL
LL
LL
LL
LL
沥青
啤酒

苯甲酸
硼酸
A
B
A
C
C
A
B
A
C
C
A
A
A
A
A
A
A
A
A
A
A
B
A
A
A
A
A
A
A
A
A
A
A
LL
A
A
A
A
A
A
A
A
A
A
A
LL
A
A
A
A
A
A
A
LL
A
A
B
A
A
B
A
B
A
A
B
A
A
A
A
LL
丁烷
氯化钙(碱的)
次氯酸钙
石碳酸
二氧化碳(干的)
A
B
C
B
A
A
B
C
B
A
A
C
B
A
A
A
B
B
A
A
A
C
B
A
A
A
A
B
A
A
A
A
C
A
A
A
A
A
A
A
A
A
A
A
A
LL
A
A
A
A
A
LL
LL
A
A
A
C
C
LL
A
A
C
C
LL
A
A
LL
LL
LL
A
二氧化碳(湿的)
二硫化碳
四氯化碳
碳酸
氯,气体(干的)
C
A
B
C
A
C
A
B
C
A
A
A
B
B
B
A
A
B
B
B
A
C
A
B
B
A
B
A
A
A
A
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
LL
C
A
A
LL
LL
B
A
B
C
A
C
A
B
A
A
C
A
LL
LL
A
C
氯,气体(湿的)
液氯
铬酸
柠檬酸
焦炉气
C
C
C
LL
A
C
C
C
C
A
C
C
C
B
A
C
C
B
A
A
C
B
C
A
B
C
C
A
B
B
C
C
C
A
A
B
A
A
A
A
C
B
C
A
A
A
C
A
A
A
B
B
B
LL
A
C
C
C
B
A
C
C
C
B
A
C
C
C
B
A
硫酸铜
棉子油
杂酚油
乙烷
乙醚
C
A
A
A
B
C
A
A
A
B
B
A
A
A
A
B
A
A
A
A
B
A
A
A
A
C
A
A
A
A
LL
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
LL
A
A
LL
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
氯乙烷
乙烯
乙二醇
氯化铁
甲醛
C
A
A
C
B
C
A
A
C
B
A
A
A
C
A
A
A
A
C
A
A
A
A
C
A
A
A
A
C
A
A
A
LL
C
A
A
A
LL
B
A
A
A
A
C
A
A
A
LL
A
A
A
A
A
B
A
B
A
A
C
A
B
A
A
C
A
LL
A
A
LL
A
甲酸
氟里昂(湿的)
氟里昂(干的)
糖醛
汽油(精制的)
LL
B
B
A
A
C
B
B
A
A
B
B
A
A
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
C
A
A
A
A
B
A
A
A
A
C
LL
LL
B
A
C
LL
LL
B
A
B
LL
LL
LL
A
葡萄糖
盐酸(充气的)
盐酸(无气的)
氢氟酸(充气的)
氢氟酸(无气的)
A
C
C
B
A
A
C
C
C
C
A
C
C
C
C
A
C
C
B
B
A
C
C
C
C
A
C
C
C
A
A
A
A
A
A
A
B
B
A
A
A
C
C
B
B
A
C
C
C
C
A
B
B
B
LL
A
C
C
C
C
A
C
C
C
C
A
C
C
C
LL

过氧化氢
硫化氢(液体)
氢氧化镁
A
LL
C
A
A
A
A
C
A
A
A
A
A
A
A
A
A
A
A
A
A
C
C
B
C
A
A
C
A
B
A
B
A
A
A
A
B
A
A
A
A
A
B
A
A
A
A
A
A
A
A
LL
A
A
A
A
B
C
A
A
A
B
C
A
A
A
LL
LL
LL
B
甲醇
甲乙酮
牛奶
自然气
硝酸
A
A
C
A
C
A
A
C
A
C
A
A
A
A
A
A
A
A
A
B
A
A
A
A
C
A
A
A
A
C
A
A
A
A
C
A
A
A
A
B
A
A
A
A
A
A
LL
A
A
A
A
A
A
A
C
A
A
C
A
C
B
A
C
A
C
A
A
C
A
B
油酸
草酸

煤油(精制的)
磷酸(充气的)
C
C
A
A
C
C
C
A
A
C
A
B
A
A
A
A
B
A
A
A
B
B
A
A
C
A
B
A
A
C
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B
A
A
B
A
B
A
A
A
A
B
A
A
C
B
B
A
A
C
LL
LL
A
A
LL
磷酸(无气的)
磷酸蒸气
苦味酸
氯化钾
氢氧化钾
C
C
C
B
B
C
C
C
B
B
A
B
A
A
A
A
B
A
A
A
C
C
C
B
B
B
C
C
B
A
A
A
A
A
A
A
LL
A
A
A
A
A
A
A
A
B
B
LL
A
A
A
C
LL
LL
LL
C
C
B
C
B
C
C
B
C
B
LL
LL
LL
LL
LL
丙烷
松香
硝酸银
醋酸钠
碳酸钠
A
B
C
A
A
A
B
C
A
A
A
A
A
B
A
A
A
A
A
A
A
A
C
A
A
A
A
C
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
LL
A
A
A
A
A
B
A
A
A
A
B
A
B
A
A
B
A
B
A
A
LL
A
A
氯化钠
铬酸钠
氢氧化钠
次氯酸钠
硫代硫酸钠
C
A
A
C
C
C
A
A
C
C
B
A
A
C
A
B
A
A
C
A
A
A
C
B-C
C
A
A
A
B-C
C
A
A
A
C
A
A
A
A
A
A
A
A
A
B
A
A
A
A
A
A
A
A
A
LL
LL
B
A
B
C
B
B
A
B
C
B
B
A
A
LL
LL
氯化亚锡
硬脂酸
硫酸盐溶液(黑的)

二氧化硫(干的)
B
A
A
A
A
B
C
A
A
A
C
A
A
A
A
A
A
A
A
A
C
B
C
C
A
B
B
A
A
A
A
A
A
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
LL
B
A
A
A
C
B
LL
A
B
C
B
LL
A
B
LL
LL
LL
A
LL
三氧化碳(干的)
硫酸(充气的)
硫酸(无气的)
亚硫酸
焦油
A
C
C
C
A
A
C
C
C
A
A
C
C
B
A
A
C
C
B
A
A
C
B
B
A
A
C
B
C
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B
B
A
A
A
B
B
B
A
B
C
C
C
A
B
C
C
C
A
LL
C
C
LL
A
三氯乙烯
松节油

水(汽锅给水)
水(蒸馏的)
B
B
C
B
A
B
B
C
C
A
B
A
A
A
A
A
A
A
A
A
A
A
B
C
A
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
LL
A
A
A
A
A
A
A
B
A
C
B
B
B
A
C
A
B
LL
A
A
A
LL
海水
威士忌酒和葡萄酒
氯化锌
硫酸锌
B
C
C
C
B
C
C
C
B
A
C
A
B
A
C
A
A
A
C
B
A
B
C
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B
A
C
C
C
B
C
C
C
B
A
LL
LL
LL

标记:
 A - 可以或正被乐成使用
   B - 使用历程应留意
   C - 不克不及使用
   LL - 缺乏材料
   
摘自《调治阀手册》第二版式 美国仪表学会 J.W.哈奇森 主编

中 — 表
蒙乃尔合金 — Monel
哈氏合金B(C) — Hastelloy“B”、(“C”)
不锈钢﹟20 — Durimet20
钴—铬合金﹟6 — Alloy6(Co-Cr)


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