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["含4

2020-04-21View Original

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大家好!含量为42%氮气、29%NO、25%NO2的管道,基础设计时选的是304L材质,但我没找到依据呢,金属腐蚀手册没有氧化氮的数据呢。哪位大神有没有相关依据?谢谢!
Reply #22020-04-21
用304不锈钢应该没问题,氮氧化物,特别是二氧化氮,在有微量水时,会对管线 表面产生钝化。
Reply #32020-04-21
谢谢!你有这方面资料吗?我在《腐蚀数据与选材手册》上没有找到相关资料呢。只有硝酸的,看着是用304就可以。
Reply #42020-05-12
q345材质怎么样?钢管外层做上一层防腐
Reply #52020-05-13
干燥的就没所谓撒,酸性气体遇水才会呈酸性。

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