... -DN600), Welded fittings 26"-80" (DN650-DN2000)Standard: ASME B16.9, ASME B16.28, ASME B16.11, DIN2605, DIN2617, DIN2516, JISB2311 ... ) Wall thicknesssch.5-sch.160,xs,xxs StandardASME,ANSI B16.9,DIN,JIS,GB/T12459TechniqueForged or Casting. MaterialCarbon steel:ASTM A234 WPB ... , WPC,ASTM A105 WPB;ASTM A106 reducer;ASTM A350,DIN St37.0, St45.8, St52.4,St.35.8/I ...