ASTM A543/A543M-93(2004)e1

    Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered Nickel-Chromium-Molybdenum


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    1. Scope

    1.1 This specification covers nickel-chromium-molybdenum alloy steel plates for use in the quenched and tempered condition, intended for the fabrication of welded pressure vessels and other pressure equipment. These alloy compositions are normally considered for construction involving plate thicknesses of 2 in. [50 mm] or greater.

    1.2 Material under this specification is available in two types, B and C. The material is also available in three classes as follows:

    Class Minimum Tensile Strength, ksi [MPa]1 105 [725]2 115 [795]3 90 [620]

    1.3 The maximum thickness of plates is limited only by the capacity of the chemical composition to meet the specified mechanical property requirements.

    1.4 The minimum plate thickness is 3/16 in. [5 mm].

    1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently 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

    A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels

    A435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel Plates

    A577/A577M Specification for Ultrasonic Angle-Beam Examination of Steel Plates

    A578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications


    ICS Code

    ICS Number Code 77.140.30 (Steels for pressure purposes)

    UNSPSC Code

    UNSPSC Code 30102204(Steel plate)


    Referencing This Standard

    DOI: 10.1520/A0543_A0543M-93R04E01

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A543 / A543M-93(2004)e1, Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered Nickel-Chromium-Molybdenum, ASTM International, West Conshohocken, PA, 2004, www.astm.org

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