Standard
SH3406 petrochemical steel pipe flange
SH3408 Steel Butt Welding Seamless Fittings
SH3409 Forged Steel Socket Welding Fittings
SH3410 Steel Plate Butt Welding Fittings GD87-1101 Typical Design Manual for Steam and Water Piping Parts and Components in Thermal Power Plants
DL/T515 Power Station Elbow National Standard GB12459 Steel Butt Welding Seamless Fittings
GB/T13401 steel plate butt welding pipe fittings
GB/T14383 Forged steel socket welding pipe fittings
GB/T14626 Forged steel threaded pipe fittings
GB9112-9131 Steel pipe flanges, flange covers and gaskets for flanges
American standard
ASME/ANSI B16.9 Factory Made Forged Steel Butt Weld Fittings
ASME/ANSI B16.11 Socket Weld and Threaded Forged Fittings
ASME/ANSI B16.28 Steel Butt Welding Small Radius Elbows and Return Elbows
ASME B16.5 Pipe Flanges and Flange Fittings
MSS SP-43 Forged Stainless Steel Butt Welding Fittings
MSS SP-83 Socket Weld and Threaded Unions
MSS SP-97 Integral reinforced sockets for socket weld, threaded and butt weld ends
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