ASME: ANSI B16.9, ANSI B16.28, MSS-SP-43 DIN: DIN2605, DIN2615, DIN2616, DIN2617, DIN28011 EN: EN10253-1, EN10253-2 ASTM A403 – ASME SA403 – Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings ASME B16.9 – Factory-Made Wrought Fittings Buttwelding ASME B16.25 – Buttwelding Ends ASME B16.28 – Wrought Steel Short Radius Elbows and Buttwelding Returns MSS SP-43 –…