Name
| Standards | Products |
API 5L
Steel pipe standards specified by the American Petroleum Institute
| API SPEC 5L | Carbon Steel Pipe Fitting Butt Weld Tee |
ASTM
American Society for Testing and Material |
ASTM A105
| Carbon Steel Forgings for Piping Applications |
ASTM A182
| Forged or Rolled Alloy Steel Pipe Flanges, Forged Fittings, and Valves and Parts for high Temperature Service |
ASTM A234
| Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service |
ASTM A350
| Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components |
ASTM A403
| Wrought Austenitic Stainless Steel Piping Fittings |
ASTM A420
| Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service |
ASTM A694
| Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service |
ASTM A815
| Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
ASTM A860
| Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings |
ASTM B366
| Factory-Made Wrought Nickel and Nickel Alloy Fittings |
JIS
Japanese Industrial Standards |
JIS B2311
| Steel Butt Welding Pipe Fittings for Ordinary use |
JIS B2312
| Steel Butt Welding Pipe Fittings. |
JIS B2313
| Steel Plate Butt Welding Pipe Fittings. |
JIS B2316
| Steel Socket Welding Pipe Fittings. |
EN
Europe Standards |
EN 10028:2016
| Pipe Fitting Standards |
EN10222:2017
| Flange Standards |
KS
South Korean Industrial Standards |
KS B1522
| Steel Butt Welding Pipe Fittings for Oidinary use and Fuel Gas. |
KS B1541
| Steel Butt Welding Pipe Fittings. |
KS B1542
| Steel Socket Welding Pipe Fittings. |
KS B1543
| Steel Plate Butt Welding Pipe Fittings. |
ASME
American Society of Mechanical Engineers |
ASME B16.5
| Pipe Flanges and Flanged Fittings |
ASME B16.9
| Factory Made Wrought Steel Butt Welding Fittings |
ASME B16.11
| Forged Fittings, Socket welding and Threaded |
ASME B16.25
| Butt Welding Ends |
| ASME B36.10 | Carbon & Alloy Steel Welded and Seamless Wrought Steel Pipe Fittngs |
ASME B36.19
| Stainless Steel Pipe Fittings |
ASME B31.1
| Power piping |
ASME B31.3
| Process piping |
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