... welcome to our company Name: alloy steel pipeSpecifications: 1/2"-----72" (seamless : 1/2"---24" butt-welding : 26"----72" )Thickness: sch ... 5s-----160Standard: GB, ANIS, JIS, BS, DIN,Material: carbon steel , stainless steel, alloy steelPacking: ... Cr5Mo,12Cr1SMoVK,10CrMo910,15CrMo,12Cr2Mo1,A335P22,St45.8,A10bB pipe,alloy steel pipe,seamless steel pipe