ASTM A985/A985M-08

    Standard Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts


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    1. Scope

    1.1 This specification covers a group of common requirements that are mandatory for steel castings produced by the investment casting process for pressure-containing parts under each of the following ASTM Specifications:

    Title of Specification ASTM Designation
    Steel Castings, Carbon, Suitable for Fusion Welding, A 216/A 216M
    for High-Temperature Service
    Steel Castings, Martensitic Stainless and Alloy, for A 217/A 217M
    Pressure-Containing Parts, Suitable for High-
    Temperature Service
    Castings, Austenitic, Austenitic-Ferritic (Duplex), A 351/A 351M
    for Pressure-Containing Parts
    Steel Castings, Ferritic and Martensitic, for Pressure- A 352/A 352M
    Containing Parts, Suitable for Low-Temperature
    Service
    Steel Castings, Alloy, Specially Heat-Treated, for A 389/A 389M
    Pressure-Containing Parts, Suitable for High-
    Temperature Service
    Steel Castings Suitable for Pressure Service A 487/A 487M

    1.2 This specification also covers a group of supplementary requirements, which may be applied to the above specifications as indicated therein. These requirements are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order.

    1.3 When investment casting is ordered, the requirements of this specification shall take precedence over the individual material specification requirements.

    1.4 The values stated in either SI units or inch-pound 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.

    1.5 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

    A216/A216M Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service

    A217/A217M Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service

    A351/A351M Specification for Castings, Austenitic, for Pressure-Containing Parts

    A352/A352M Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A380 Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems

    A389/A389M Specification for Steel Castings, Alloy, Specially Heat-Treated, for Pressure-Containing Parts, Suitable for High-Temperature Service

    A487/A487M Specification for Steel Castings Suitable for Pressure Service

    A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel

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

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

    A800/A800M Practice for Steel Casting, Austenitic Alloy, Estimating Ferrite Content Thereof

    A903/A903M Specification for Steel Castings, Surface Acceptance Standards, Magnetic Particle and Liquid Penetrant Inspection

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

    A967 Specification for Chemical Passivation Treatments for Stainless Steel Parts

    A990 Specification for Castings, Iron-Nickel-Chromium and Nickel Alloys, Specially Controlled for Pressure Retaining Parts for Corrosive Service

    A991/A991M Test Method for Conducting Temperature Uniformity Surveys of Furnaces Used to Heat Treat Steel Products

    A995/A995M Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts

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

    A1067 Specification for Test Coupons for Steel Castings

    A1080 Practice for Hot Isostatic Pressing of Steel, Stainless Steel, and Related Alloy Castings

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E94 Guide for Radiographic Examination

    E125 Reference Photographs for Magnetic Particle Indications on Ferrous Castings

    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

    E192 Reference Radiographs of Investment Steel Castings for Aerospace Applications

    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

    E340 Test Method for Macroetching Metals and Alloys

    E353 Test Methods for Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys

    E354 Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys

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

    E709 Guide for Magnetic Particle Testing

    E2660 Digital Reference Images for Investment Steel Castings for Aerospace Applications

    ANSI Standard

    B16.5 Pipe Flanges and Flanged Fittings


    ICS Code

    ICS Number Code 49.025.10 (Steels)

    UNSPSC Code

    UNSPSC Code 31101903(Steel investment casting)


    Referencing This Standard

    DOI: 10.1520/A0985_A0985M-08

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM A985 / A985M-08, Standard Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts, ASTM International, West Conshohocken, PA, 2008, www.astm.org

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