Specifications
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| KS : KOREAN INDUSTRIAL STANDARDS |
| KS B 1522 |
Steel butt–Welding Pipe Fittings for Ordinary use |
| KS B 1541 |
Steel butt–Welding Pipe Fittings |
| KS B 1542 |
Steel Socket-Welding Pipe Fittings |
| KS B 1543 |
Steel Plate Butt-Welding Pipe Fittings |
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| JIS : JAPANESE INDUSTRIAL STANDARDS |
| JIS B 2311 |
Steel butt–Welding Pipe Fittings for Ordinary use |
| JIS B 2312 |
Steel butt–Welding Pipe Fittings |
| JIS B 2313 |
Steel Plate Butt-Welding Pipe Fittings |
| JIS B 2316 |
Steel Socket-Welding Pipe Fittings |
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| ASME : AMERICAN SOCIETY FOR MECHANICAL ENGINEERS |
| ASME B 16.5 |
Pipe Flanges and Flanged Fittings |
| ASME B 16.9 |
Factory Made Wrought Butt-Welding Fittings |
| ASME B 16.11 |
Forged Steel Fittings, Socket-Welding and Threaded |
| ASME B 1625 |
Butt-Welding Ends |
| ASME B 36.10 |
Welded and Seamless Wrought Steel Pipe |
| ASME B 36.19 |
Stainless Steel Pipe |
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| ASTM : AMERICAN SOCIETY FOR TESTING AND MATERIALS |
| ASTM A 105 |
Carbon Steel Forging for Piping Applications |
| ASTM A 182 |
Forged od Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| ASTM A 234 |
Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High-Temperature Service |
| ASTM A 350 |
Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components |
| ASTM A 403 |
Wrought Austenitic Stainless Steel Piping Fittings |
| ASTM A 420 |
Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service |
| ASTM A 694 |
Carbon and Alloy steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service |
| ASTM A 860 |
Wrought High-Strength Low-Alloy steel Butt Welding Fittings |
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| MSS : MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTY |
| MSSP SP-25 |
Standard Marking System for Valves, Fittings, Flanges and Unions |
| MSSP SP-43 |
Wrought Stainless Steel Butt Welding Fittings |
| MSSP SP-44 |
Standard for Steel Pipe Line Flanges |
| MSSP SP-75 |
Specification for High Test Wrought Butt Welding Fittings |
| MSSP SP-79 |
Socket Welding Reducer Inserts |
| MSSP SP-83 |
Carbon Steel Pipe Unions Socket Welding and Threaded |
| MSSP SP-87 |
Factory-Made Butt Welding Fittings for Class 1 Nuclear Piping Applications |
| MSSP SP-95 |
SWAGE(d) Nipples and Bull Plugs |
| MSSP SP-97 |
Integrally Reinforced Forged Branch Outlet Fittings-socket Welding, Threaded and Butt Welding Ends |
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| AMSE : AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
| AMSE SECTION II |
Materials |
| AMSE SECTION III |
Rules for Construction of Nuclear Facility Components |
| AMSE SECTION V |
Nondestructive Examination |
| AMSE SECTION VIII |
Rules for Construction of Pressure Vessels |
| AMSE SECTION IX |
Welding and Brazing Qualifications |
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| API: AMERICAN PETROLEUM INSTITUTE |
| API 5L |
Line Pipe |
