... sch 5s-----160Standard: GB, ANIS, JIS, BS, DIN, UNI Material: carbon steel , stainless steel, alloy steelPacking: wooden cases or according to the customer's ... , hot-water heating, war industry, fire control and environment protection, etc Note:Carbon steel: 10#,20#,A3, 20G.16Mn,ASTM A234,ASTM ... ,Cr5Mo,12Cr1SMoVK,10CrMo910,15CrMo,12Cr2Mo1,A335P22,St45.8,A reducer,stainless steel reducer,pipe fitting