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GB | GB/T4700-4707 (Flanges for Pressure Vessels), GB/T9112-9124 (Pipe Flange) JB/T4726-4728 (Steel Forgings for Pressure Vessels) JB/T6396-6398 (Large-Scale Steel Forgings Made of Alloy Steel, Carbon steel, Stainless Steel, Acid-Proof Steel and heat resistant steel) HG20592-20635 (Pipe Flange) SH3406 (Steel Pipe Flange for Petro-Chemical) |
ASTM ASME | ASME B16.5 (Pipe Flange) A403/A403M (Wrought Austenitic Stainless Steel Piping Fittings) A182/A182M (Alloy Steel Forgings for high-Temperature) A105/A105M (Carbon Steel Forgings for Piping) A234/A234M (Piping Fittings of Carbon Steel and Alloy Steel for Moderate and High Temperature) A350/A350M (Carbon Steel and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing) |
JIS | G3214 (Stainless Steel Forgings for Pressure Vessel) JIS B2220 (Steel Pipe Flange) |
DIN | DIN2512-86030 (Steel Pipe Flange) |
EN | EN10222-1~5(Steel Forgings for Pressure Purposes) |