Whats the difference between API X42 and X52 pipe api 5l b steel chemical composition
May 31, 2018 · API 5L X42 line pipe and API 5L X52 line pipe (Seamless and welded pipe) of all grades have PSL1 and PSL2 two product specifications, they are different on chemical composition, manufacturing processes, mechanical strength, heat treatment, test records, traceability etc. Actually, X42 and X52 etc. denote the minimum yield strength of the pipe api 5l b steel chemical composition
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