... , 12Cr1MoVG,Cr5Mo,WB36,BCrMo44,34CrMo4,P5,12CrAISI1010,1020,1045,Gr·65 ,API X52,API X 42and so oneotherDIN,JISspecificationOut diameter6mm ... thickness0.3-75mmProduction technologyHot rolledCold rolledSurface treatmentCopper coatedGalvanizedothersortingStructural pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API pipe, alloy steel pipe, carbon steel pipe and so on. AISI 304 seamless steel pipe