... NameCold drawn seamless steel tubeClassificationHot rolled seamless steel pipe Cold rolled seamless steel pipeMaterialASTM A106 GRB,Website:http://www ... ASTM A333 GR6, STPG42, STPT42, STB42,STS 42, SS400, SS235JO(1.0114), STPG 410, STS49, STPL39, C22, S20C, St42-2 ... project, Heat-supply project, Conveying drinking water, drainage, coal gas, fuel gas, mine slurry and other low & middle pressure fluids, ...