... the reasonable prices. welcome to our company Name: alloy steel pipeSpecifications: 1/2"-----72" (seamless : 1/2"---24" butt-welding : 26"----72" ... and environment protection, etc Note:Carbon steel: 10#,20#,A3, 20G.16Mn,ASTM A234,ASTM A105and so on.Stainlesssteel:ASTMA403,1Cr18Ni9Ti,0Cr18Ni9 ... ,Cr5Mo,12Cr1SMoVK,10CrMo910,15CrMo,12Cr2Mo1,A335P22,St45.8,A10bB pipe,alloy steel pipe,seamless steel pipe