研究了腐蚀时间、溶液温度、pH值对A350LF2钢在湿H2S环境中力学性能的影响.结果表明:H2S腐蚀后,A350LF2钢的力学性能变化不但与腐蚀环境密切相关,还与腐蚀后力学性能的测试周期密切相关.材料的抗拉强度、屈服强度等性能随环境条件变化呈现不同的变化规律,并且发现腐蚀后立刻进行的性能测试表明,力学性能损伤比较严重;而腐蚀后放置一段时间后的力学性能测试结果表明,损伤的力学性能不同程度得到恢复,甚至达到腐蚀前材料的力学性能.结合扩散氢测试结果分析认为,A350LF2钢力学损伤程度与钢中氢含量密切相关.
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