The main executive standards include national standards, American standards, Japanese standards, etc. Among them, national standards include standards of the Ministry of Chemical Industry, Sinopec pipe fitting standards, and power pipe fitting standards.
SH3406 Steel Pipe Flanges for Petroleum Refineries
SH3408 Steel Butt - welding Seamless Pipe Fittings
SH3409 Forged Steel Socket - welding Pipe Fittings
SH3410 Steel Plate Butt - welding Pipe Fittings. GD87 - 1101 Typical Design Manual for Parts and Components of Steam - Water Pipelines in Thermal Power Plants
DL/T515 Pipe Bends for Power Stations. National Standard GB12459 Steel Butt - welding Seamless Pipe 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 Standards
ASME/ANSI B16.9 Factory - made Forged Steel Butt - welding Pipe Fittings
ASME/ANSI B16.11 Socket - welding and Threaded Forged Pipe Fittings
ASME/ANSI B16.28 Steel Butt - welding Small - radius Elbows and Return Bends
ASME B16.5 Pipe Flanges and Flange Fittings
MSS SP - 43 Forged Stainless - steel Butt - welding Pipe Fittings
MSS SP - 83 Socket - welding and Threaded Union Fittings
MSS SP - 97 Integrally Reinforced Bosses for Socket - welding, Threaded and Butt - welding Ends
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