ASTM A960 / A960M - 14

    Standard Specification for Common Requirements for Wrought Steel Piping Fittings

    Active Standard ASTM A960 / A960M | Developed by Subcommittee: A01.22

    Book of Standards Volume: 01.01


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    Abstract

    This specification covers the common requirements that shall apply to wrought steel piping fittings. The material shall consist of forgings, bars, plates, and seamless or welded tubular products. Ferritic steels shall be fully killed. Hollow cylindrically shaped parts up to and including NPS 4 may be machined from bar or seamless tubular material. Elbows, return bends, tees, and header tees shall not be machined directly from bar stock. The following procedures shall be done for heat treatment: full annealing, solution annealing, isothermal annealing, normalizing, tempering and post-weld heat treatment, stress relieving, and quench and temper. Chemical analysis, heat analysis, and product analysis shall also be done. The chemical requirements shall conform to the required compositions of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, columbium, titanium, aluminum, lead, and copper. The following tests shall be done for the mechanical requirements: tension, hardness, impact, and hydrostatic tests.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers a group of common requirements that shall apply to wrought steel piping fittings covered in any of the following individual product specifications or any other ASTM specification that invokes this specification or portions thereof:

    Title of Specification

    ASTM
    Designation

    Specification for Piping Fittings of Wrought
      Carbon Steel and Alloy Steel for Moderate and
      Elevated Temperatures

    A234/A234M

    Specification for Wrought Austenitic Stainless
      Steel Piping Fittings

    A403/A403M

    Specification for Piping Fittings of Wrought Carbon
      Steel and Alloy Steel for Low-Temperature Service

    A420/A420M

    Specification for Butt-Welding, Wrought-Carbon
      Steel, Piping Fittings with Improved Notch Toughness

    A758/A758M

    Specification for As-Welded Wrought Austenitic
      Stainless Steel Fittings for General Corrosive
      Service at Low and Moderate Temperatures

    A774/A774M

    Specification for Wrought Ferritic, Ferritic/Austenitic,
      and Martensitic Stainless Steel Piping Fittings

    A815/A815M

    Specification for Heat-Treated Carbon Steel
      Fittings for Low-Temperature and Corrosive Service

    A858/A858M

    Specification for Wrought High-Strength
      Low-Alloy Steel Butt-Welded Fittings

    A860/A860M


    1.2 In case of conflict between a requirement of the individual product specification and a requirement of this general requirement specification, the requirements of the individual product specification shall prevail over those of this specification.

    1.3 By mutual agreement between the purchaser and the supplier, additional requirements may be specified (See 4.1.8). The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon by the purchaser and supplier.

    1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text and the tables, 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 specification. The inch-pound units shall apply unless the “M” designation [SI] of the product specification is specified in the order.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    Manufacturers Standardization Society Standards

    MSS-SP-25 The Standard Marking System of Valves, Fittings, Flanges and Unions

    MSS-SP-43 Standard Practice for Light Weight Stainless Steel Butt-Welding Fittings

    MSS-SP-75 Specification for High Test Wrought Butt-Welding Fittings

    MSS-SP-79 Socket Welding Reducer Inserts

    MSS-SP-83 Class 3000 Steel Pipe Unions, Socket Welding and Threaded

    MSS-SP-95 Swage(d) Nipples and Bull Plugs

    MSS-SP-97 Integrally Reinforced Forged Branch Outlet Fittings--Socket Welding, Threaded and Buttwelding Ends

    ASME Standards

    Boiler and Pressure Section IX

    B16.11 Forged Steel Fittings, Socket Welding and Threaded

    B16.9 Steel Butt-Welding Fittings

    ASTM Standards

    A29/A29M Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought

    A234/A234M Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service

    A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A388/A388M Practice for Ultrasonic Examination of Steel Forgings

    A403/A403M Specification for Wrought Austenitic Stainless Steel Piping Fittings

    A420/A420M Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service

    A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment

    A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products

    A758/A758M Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness

    A763 Practices for Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels

    A774/A774M Specification for As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures

    A815/A815M Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings

    A858/A858M Specification for Heat-Treated Carbon Steel Fittings for Low-Temperature and Corrosive Service

    A860/A860M Specification for Wrought High-Strength Ferritic Steel Butt-Welding Fittings

    A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys

    A967 Specification for Chemical Passivation Treatments for Stainless Steel Parts

    A1058 Test Methods for Mechanical Testing of Steel Products--Metric

    E165 Practice for Liquid Penetrant Examination for General Industry

    E213 Practice for Ultrasonic Testing of Metal Pipe and Tubing

    E709 Guide for Magnetic Particle Testing

    E1916 Guide for Identification of Mixed Lots of Metals


    ICS Code

    ICS Number Code 77.140.20 (Steels of high quality); 23.040.40 (Metal fittings)

    UNSPSC Code

    UNSPSC Code 40170000(Pipe piping and pipe fittings)


    DOI: 10.1520/A0960_A0960M

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