... ---DN2000Thickness: sch 5s-----160Standard: GB, ANIS, JIS, BS, DIN, UNI Material: carbon steel , stainless steel, alloy steelPacking: wooden cases or according ... :16MnR,Cr5Mo,12Cr1SMoVK,10CrMo910,15CrMo,12Cr2Mo1,A335P22,St45.8,A10bB flange,carbon steel flange,steel flange