... :DN10-DN4000 Standard:ISO,JIS,DIN,GB WT:Sch5-Sch16XXS Forged FlangeSize:DN10-DN4000Standard:ISO,JIS,DIN,GBWT:Sch5-Sch16XXSNameForged flangeStandardISO ... #,Q235,16Mn,ASTM,A234,A105Alloy steel:16MnRApplication rangePetroleum,chemical,power,gas,metallurgy,shipbuilding,construction,etc.CE and certificationISO 9001:2000CharacteristicAnti-corrosion ...