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The normal types of Pipe fittings

The normal types of Pipe fittings

General Illustration
Wrougth Steel Butt-Welding Fittings

(Carbon & Alloy Steel)

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Nomenclature

  1. KS : Korean Indutrial Standards
  2. JIS : Japanese Industrial Standards
  3. ASTM : American Society for Testing and Materials
  4. JIS : Japan Pertoleum Institute
  5. MSS : Manufacturers Standardization Society
  6. AWWA : American Water Works Associotion
  7. DIN : Deutsches Institut fur Normung
  8. B.S : British Standards
  9. ASME : American Society of Mechanical Engineers
  10. API : American Petroleum Intitute

International Standard and Code Available

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.
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 2314: Steel Socket-Welding Pipe Fittings.

ANSI : AMERICAN NATIONAL STANDARDS INSTITUTE

  • 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 and Threaded.
  • ANSI B 16.25: Butt-Welding Ends.
  • ANSI B 16.28: Wrought Steel Butt-Welding short Radious Elbow and Returns.
  • ANSI B 36.10: Welded and Seamless Wrought Steel Pipe.
  • ANSI B 36.19: Stainless Steel Pipe.
ASTM : AMERICAN SOCIETY FOR TESTING AND MATERIALS

  • ASTM A105: Forging, Carbon Steel for Piping Components.
  • 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 Elevated Temperatures.
  • ASTM A350: Forgings Carbon and Low-Alloy Steel, 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 A815: Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings.
MSS : MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY

  • 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 Welding, Threaded and Butt-Welding Ends.
ASME : AMERICAN SOCIETY OF MECHANICAL ENGINEERS

  • ASME SECTION Ⅱ: Meterials.
  • ASME SECTION Ⅲ: Subsection NCA / Division 1 / Division 2
  • ASME SECTION Ⅴ: Nondestructive Examination.
  • ASME SECTION Ⅷ: Rules for Construction of Pressure Vessels / Division 1, Division 2
  • ASME SECTION Ⅸ: Welding and Brazing Qualifications.
API : AMERICAN PETROLEUM INSTITUTE

  • API 5L: Line Pipe.
  • API 5LX: High Test Line Pipe.

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