ASTM A426/A426M-10

    Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service

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    1. Scope

    1.1 This specification covers centrifugally cast alloy steel pipe intended for use in high-temperature, high-pressure service.

    1.2 Several grades of ferritic steels are covered. Their compositions are given in Table 1.

    1.3 Supplementary Requirements S1 through S12 are provided. The supplementary requirements provide for additional tests of an optional nature and when desired shall be so stated in the order (Section 4).

    1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. 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.

    1.4.1 Within the text, the SI units are shown in brackets.

    1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


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

    ASTM Standards

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A609/A609M Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof

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

    A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe

    E94 Guide for Radiographic Examination

    E165 Practice for Liquid Penetrant Examination for General Industry

    E186 Reference Radiographs for Heavy-Walled (2 to 412-in. (50.8 to 114-mm)) Steel Castings

    E208 Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels

    E280 Reference Radiographs for Heavy-Walled (412 to 12-in. (114 to 305-mm)) Steel Castings

    E446 Reference Radiographs for Steel Castings Up to 2 in. (50.8 mm) in Thickness

    E709 Guide for Magnetic Particle Testing

    ANSI Standard

    B46.1 Surface Texture

    ASME Boiler and Pressure Vessel Code

    SectionIX Welding and Brazing Qualifications


    ICS Code

    ICS Number Code 77.140.80 (Iron and steel castings)

    UNSPSC Code

    UNSPSC Code 31102004(Stainless steel centrifugal casting)


    DOI: 10.1520/A0426_A0426M-10

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