... 2.5-75MM Printing,beveled edges,with cap Wide application ASTM 304 seamless steel pipeis made from a solid round steel ... WB36,BCrMo44,34CrMo4,P5,12CrAISI1010,1020,1045,Gr·65 ,API X52,API X 42and so oneotherDIN,JISspecificationOut diameter6mm-750mmWall thickness0.3-75mmProduction ... pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API pipe, alloy steel pipe, carbon steel pipe and so on ...