ASTM A336/A336M-03

    Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts

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    1. Scope

    1.1 This specification covers ferritic steel forgings for boilers, pressure vessels, high-temperature parts, and associated equipment.

    1.2 Forgings made of steel grades listed in Specification A 335/A 335M, may also be ordered under this specification. The chemical, tensile, heat treatment, and marking requirements of Specification A 335/A 335M shall apply, except the forging shall conform to the chemical requirements of Tables 1 and 2 of Specification A 335/A 335M only with respect to heat analysis. On check analysis they may deviate from these limits to the extent permitted in of this specification.

    Current Formerly
    Grade F1Class F1
    Grade F11, Class 2 Class F11
    Grade F11, Class 3 Class F11A
    Grade F11, Class 1 Class F11B
    Grade F12Class F12
    Grade F5Class F5
    Grade F5AClass F5A
    Grade F9Class F9
    Grade F6Class F6
    Grade F21 Class 1Class F21A
    Grade F21, Class 3Class F21
    Grade F22, Class 1Class F22A
    Grade F22, Class 3Class F22
    Grade F91Class F91
    Grade F3VClass F3V
    Grade F22VClass F22V

    1.3 Supplementary Requirements S1 to S9 are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.

    1.4 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units.

    1.5 A 336/A 336M formerly included austenitic steel forgings, which are now found in A 965/A 965M.

    1.6 The values stated in either inch-pound units or SI (metric) units are to be regarded separately as standards. Within the text and tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.

    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

    A275/A275M Practice for Magnetic Particle Examination of Steel Forgings

    A335/A335M Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A788/A788M Specification for Steel Forgings, General Requirements

    A965/A965M Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts

    E165/E165M Practice for Liquid Penetrant Examination for General Industry

    ICS Code

    ICS Number Code 77.140.85 (Iron and steel forgings)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
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    DOI: 10.1520/A0336_A0336M-03

    Citation Format

    ASTM A336 / A336M-03, Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts, ASTM International, West Conshohocken, PA, 2003,

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