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Material Selection in the Design of Piping Resistant to Wet H2S Corrosion
Author(s): 
Pages: 47-50
Year: Issue:  1
Journal: Techno-Economics in Petrochemicals

Keyword:  湿硫化氢腐蚀管道设计选材;
Abstract: 在石化行业中,硫化氢(H2S)腐蚀有其普遍性和高度危害性.通过对H2S腐蚀机理的剖析,介绍了因湿H2S腐蚀而引起的氢鼓泡、氢致开裂、硫化物应力腐蚀开裂和应力诱导氢致开裂等腐蚀形态,指出液相中H2S的质量浓度、pH、温度及其他因素与上述腐蚀有关.同时通过实际案例从设计角度分析管材的基本要求,论述了不同情况下的选材标准.
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