... -----160Standard: GB, ANIS, JIS, BS, DIN,Material: carbon steel , stainless steel, alloy steelPacking: wooden cases or according to the customer's ... control and environment protection, etc Note:Carbon steel: 10#,20#,A3, 20G.16Mn,ASTM A234,ASTM A105and so on.Stainlesssteel:ASTMA403,1Cr18Ni9Ti,0Cr18Ni9 ... ,12Cr1SMoVK,10CrMo910,15CrMo,12Cr2Mo1,A335P22,St45.8,A10bB elbow,alloy steel elbow,90 degree elbow