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["Selección de materiales para medios con sulfh硫化氢"]

2020-06-28View Original

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["En los medios comunes,介质里面,什么时候选择碳钢?什么时候选择不锈钢甚至双相不锈钢?"]
Reply #22020-07-01
["Podrías ser más específico y poder proporcionar algunos ejemplos,能否举例说明下 �谢谢"
Reply #32020-07-07
["Se consider que en los medios húmedos con sulfuro de在湿硫化氢介质中, 存在的主要破坏形式有两种: (1)由于阳极反应生成的FeS引起腐蚀, 造成金属壁厚的均匀减薄, 还会发生点蚀穿 kuk蚀的局部腐蚀。 (2)阴极反应生成的氢原子还能向钢中渗透并扩散, 引起氢鼓泡、 氢诱发裂纹和硫化物应力腐蚀开裂(SSC)等破坏形式。 SSC是常见的一种失效形式, 变换气中水是引起腐蚀的必要条件,SC是常见的一种失效形式, 变换气中水是引起腐蚀的必要条件,SC是常见的一种失效形式"]
Reply #42020-07-21
["Se consider que en los medios húmedos con sulfuro de据此,可以采用含碳量降低到质量分数0.03%以下的牌号(304L、 315L等)或者选择稳定性不锈钢。 而如果超过气体露点0.03%以上,无液态水产生,则认为可以使用碳钢"

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