
| 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 | 
| JIS B 2311 | Steel Butt-Welding Pipe Fittings for Ordinary use. | 
|---|---|
| JIS B 2312 | Steel Butt-Welding Pipe Fittings | 
| JIS B 2313 | Plate Butt-Welding Pipe Fittings | 
| JIS B 2316 | Steel Socket-Welding Pipe Fittings | 
| ANSI B 16.5 | Pipe Flanges and Flanged Fittings | 
|---|---|
| ANSI B 16.9 | Factory Made Wrought Steel Butt-Welding Fittings | 
| ANSI B 16.11 | Forged Steel Fittings, Socket-Welding Fittings | 
| ANSI B 16.25 | Butt-Welding Ends. | 
| ANSI B 16.28 | Wrought Steel Butt-Welding Short Radious Elbows and Returns. | 
| ANSI B 36.10 | Welded and Seamless Wrought Seel Pipe | 
| ANSI B 36.19 | Stainless Steel Pipe | 
| ASTM A 105 | Forging, Carbon Steel for Piping Components | 
|---|---|
| ASTM A 182 | Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves Parts for High-Temperature Service | 
| ASTM A 234 | Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and Elevated Temperature | 
| ASTM A 350 | Forgings Carbon and Low-Alloy Steel, Requiring Notch Toughness Testing for Piping Components | 
| ASTM A 403 | Wrought Austenitic Stainless Steel Piping Fittings | 
| ASTM A 420 | Piping Fittings of Carbon Steel and Alloy Steel for Low-Temperature Service | 
| ASTM A 815 | Specification for Carbon Ferritic,Ferrite/ Austennitic, and Marensitic Stainless Steel Piping Fittings | 
| MSS SP-25 | Standard Marking System for Valves, Fittings, Flanges and Unions | 
|---|---|
| MSS SP-43 | Wrought Stainless Steel Butt-Welding Fittings | 
| MSS SP-44 | Steel Pipe Line FLANGES | 
| MSS SP-75 | Specification for High Test Wrought Butt-Welding Fittings | 
| MSS SP-79 | Socket Welding Reducer Inserts | 
| MSS SP-83 | Carbon Steel Pipe Unions Socket-Welding and Threaded | 
| MSS SP-87 | Factory-Made Butt-Welding Fittings for Class 1 Nuclear Piping Applications | 
| MSS SP-95 | Swage(d)Nipples and Bull Plugs | 
| MSS SP-97 | Integrally Reinforced Forged Branch Outlet Fittings-socket Weldinng, Threaded Butt Welding Ends | 
| ASME SA105 | Forging, Carbon Steel for Piping Components | 
|---|---|
| ASME SA182 | Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves Parts for High-Temperature Service | 
| ASME SA234 | Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and Elevated Temperature | 
| ASME SA350 | Forgings Carbon and Low-Alloy Steel, Requiring Notch Toughness Testing for Piping Components | 
| ASME SA403 | Wrought Austenitic Stainless Steel Piping Fittings | 
| ASME SA420 | Piping Fittings of c Carbon Steel and Alloy Steel for Low-Temperature Service | 
| ASME SA815 | Specification for Carbon Ferritic,Ferrite/ Austennitic, and Marensitic Stainless Steel Piping Fittings | 
| ASME SECTION Ⅱ | Materials | 
|---|---|
| ASME SECTION Ⅲ | Subsection NCA/Division 1 / Divisio 2 | 
| ASME SECTION ⅴ | Nondestructive Examination | 
| ASME SECTION Ⅷ | Rules for Connstruction of Pressure Vessels / Division 1, Division 2 | 
| ASME SECTION Ⅸ | Welding and Brazing Qualifications | 
| KEPIC MN | Nuclear Components | 
|---|
| API 5L | Line Pipe | 
|---|---|
| API 5LX | High Test Line Pipe | 
| API 6A | Wellhead and Christmas Tree Eguipment |