... :alloy steel pipes,carbon steel pipes,stainless steel pipes,welded steel pipes and so on2. Materials:carbon steel,alloy steel,stainless steel.3 ... ,T22,T5,T9 A182 F22 A182F9,A182F5 STAINLESS STEEL :oCr18Ni10Ti ,oCr18Ni9,302.s30200,s30300,303,304 ... ,s30400s,304l,321,s32100certificate :API,ISO,BV,CS,CE,EN ......delivery term :FOB (30%deposite ... flange ,tee ,bends ,caps ,cross 12CrMoV ALLOY STEEL pipe