... India , Pakistan, Iran, and so on. Steel pipematerialGB10#,20#,45#,20G.16Mn,27SiMn,15CrMoG,12Cr1MoU,20CrMo,35CrMo, 42CrMo, ... treatmentCopper coatedGalvanizedothersortingStructural pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API pipe, alloy steel pipe, carbon ... plate, high strength low alloy, structural steel for bridge, structuralsteel for shipstainless steel production: The details of my ...