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About This Item

 

Full Description

1.1 This specification covers wrought high-strength ferritic steel butt-welding fittings of seamless and electric fusion-welded construction. Dimensions of the fittings are provided in the latest revisions of ASME B16.9 and MSS-SP-75. Butt-welding fittings differing from ASME B16.9 shall be furnished in accordance with Supplementary Requirement S58 of Specification A960/A960M. These fittings are for use in high-pressure gas and oil transmission and distribution systems.

1.2 Optional supplementary requirements are provided for fittings when a greater degree of examination is desired. One or more of the supplementary requirements may be specified in the order.

1.3 This specification does not cover cast-welding fittings or fittings machined from castings.

1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM A860/A860M-18

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    Standard Specification for Wrought High-Strength Ferritic Steel Butt-Welding Fittings

    • Most Recent
  2. ASTM A860/A860M-14


    Standard Specification for Wrought High-Strength Ferritic Steel Butt-Welding Fittings

    • Historical Version
  3. ASTM A860/A860M-13


    Standard Specification for Wrought High-Strength Ferritic Steel Butt-Welding Fittings

    • Historical Version
  4. ASTM A860/A860M-10


    Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings

    • Historical Version
  5. ASTM A860/A860M-09


    Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings

    • Historical Version
  6. ASTM A860/A860M-08


    Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings

    • Historical Version
  7. ASTM A860/A860M-00(2005)


    Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings

    • Historical Version
  8. ASTM A860/A860M-00


    Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings

    • Historical Version
  9. ASTM A860/A860M-96


    Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings

    • Historical Version