Specification.ERW Steel Pipe.Electric Resistance Welded Steel Pipe.Usage Used for low pressure liquid delivery,such as water,gas,and oil.Oil drilling and machinery manufacturing,etc.Process ERW Electric Resistance Welded pipe HFI High Frequency Induction weld pipe EFW Electric Fusion Welded Pipe Standard API 5L,API 5CT,ASTMASTM A500 Steel PipeSteel SolutionASTM A252 Piling Pipe.ASTM A252 Piling Pipe STEEL GRADE ASTM A252 GR 1,GR 2,GR 3.STEEL CHEMICAL COMPOSITION The steel shall conform to the following requirements as to chemical composition Phosphorus,maximum (%) 0.050.MECHANICAL PROPERTIES
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