ASTM A1080 - 14

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

    Active Standard ASTM A1080 | Developed by Subcommittee: A01.18

    Book of Standards Volume: 01.02


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    Abstract

    This practice covers general requirements for Hot Isostatic Pressing (HIP) of steel, stainless steel, and related alloy castings. HIP is a solid state process which applies heat and pressure simultaneously to objects in an autoclave via an inert gas in such a way as to eliminate internal voids and obtain desired properties. Inert gas is a non-oxidizing gas used for pressurizing a HIP vessel. This practice deals with quality requirements, autoclave type/qualification, temperature uniformity, temperature measurement and control, pressure measurement and control, and gas measurement.

    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.

    Significance and Use

    4.1 The authorization or requirement for hot isostatic pressing (HIP) shall be agreed upon between purchaser and supplier and must be documented.

    4.1.1 The Supplementary Requirements of the Common Requirements Specifications contain a section for authorization of hot isostatic pressing (HIP) of castings. These Common Requirements Specifications include, but are not limited to:

    A703 Specification for Steel Castings, General Requirements, for Pressure-Containing Parts

    A781 Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use

    A957 Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use

    A985 Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts


    4.2 The HIP processing parameters shall be as agreed upon between the purchaser and supplier.

    4.3 When agreed between purchaser and supplier, HIP may be substituted for required thermal treatment provided all requirements for that treatment are met.

    1. Scope

    1.1 This practice covers general requirements for Hot Isostatic Pressing (HIP) of steel, stainless steel, and related alloy castings.

    1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.3 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

    A703 Specification for Steel Castings, General Requirements, for Pressure-Containing Parts

    A781 Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use

    A957 Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use

    A985 Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts

    E220 Test Method for Calibration of Thermocouples By Comparison Techniques

    AMS Standards

    AMS2750 Pyrometry


    ICS Code

    ICS Number Code 77.140.01 (Iron and steel products in general)

    UNSPSC Code

    UNSPSC Code 11101704(Steel); 11171600(Stainless steel alloys)


    DOI: 10.1520/A1080-14

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