• ASTM A 788/A788M : 2019 : REV A

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Standard Specification for Steel Forgings, General Requirements

    Available format(s):  Hardcopy, PDF

    Superseded date:  03-24-2022

    Language(s):  English

    Published date:  11-22-2019

    Publisher:  American Society for Testing and Materials

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    Scope - (Show below) - (Hide below)

    1.1This specification2 covers a group of common requirements that, unless otherwise specified in the individual product specification, shall apply to steel forgings under any of the following specifications issued by ASTM:

    ASTM Designation

    Title

    A266/A266M

    Carbon Steel Forgings for Pressure Vessel Components

    A288

    Carbon and Alloy Steel Forgings for Magnetic Retaining Rings for Turbine Generators

    A289/A289M

    Alloy Steel Forgings for Nonmagnetic Retaining Rings for Generators

    A290/A290M

    Carbon and Alloy Steel Forgings for Rings for Reduction Gears

    A291/A291M

    Steel Forgings, Carbon and Alloy, for Pinions, Gears, and Shafts for Reduction Gears

    A336/A336M

    Alloy Steel Forgings for Pressure and High-Temperature Parts

    A372/A372M

    Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels

    A469/A469M

    Vacuum-Treated Steel Forgings for Generator Rotors

    A470/A470M

    Vacuum-Treated Carbon and Alloy Steel Forgings for Turbine Rotors and Shafts

    A471/A471M

    Vacuum-Treated Alloy Steel Forgings for Turbine Rotor Disks and Wheels

    A473

    Stainless Steel Forgings

    A504/A504M

    Wrought Carbon Steel Wheels

    A508/A508M

    Quenched and Tempered Vacuum-Treated Carbon and Alloy Steel Forgings for Pressure Vessels

    A541/A541M

    Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components

    A579/A579M

    Superstrength Alloy Steel Forgings

    A592/A592M

    High-Strength Quenched and Tempered Low-Alloy Steel Forged Parts for Pressure Vessels

    A646/A646M

    Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings

    A649/A649M

    Forged Steel Rolls Used for Corrugating Paper Machinery

    A668/A668M

    Steel Forgings, Carbon and Alloy, for General Industrial Use

    A711/A711M

    Steel Forging Stock

    A723/A723M

    Alloy Steel Forgings for High-Strength Pressure Component Application

    A729/A729M

    Carbon and Alloy Steel Axles, Heat Treated, for Mass Transit and Electric Railway Service

    A765/A765M

    Carbon Steel and Low-Alloy Steel Pressure-Vessel-Component Forgings with Mandatory Toughness Requirements

    A837/A837M

    Steel Forgings, Alloy, for Carburizing Applications

    A859/A859M

    Age-Hardening Alloy Steel Forgings for Pressure Vessel Components

    A891/A891M

    Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels

    A909/A909M

    Steel Forgings, Microalloy, for General Industrial Use

    A965/A965M

    Steel Forgings, Austenitic, for Pressure and High Temperature Parts

    A982/A982M

    Steel Forgings, Stainless, for Compressor and Turbine Airfoils

    A983/A983M

    Continuous Grain Flow Forged Carbon and Alloy Steel Crankshafts for Medium Speed Diesel Engines

    A986/A986M

    Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings

    A1021/A1021M

    Martensitic Stainless Steel Forgings and Forging Stock for High-Temperature Service

    A1049/A1049M

    Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components

    A1090/A1090M

    Forged Rings and Hollows for Use as Base Plates in Power Transmission Structures

    1.2In case of conflict in requirements, the requirements of the individual product specifications shall prevail over those of this specification.

    1.3The purchaser may specify additional requirements (see 4.2.3) that do not negate any of the provisions of either this specification or of the individual product specifications. The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order.

    1.4If, by agreement, forgings are to be supplied in a partially completed condition, that is, all of the provisions of the product specification have not been filled, then the material marking (see Section 17) and certification (see Section 16) shall reflect the extent to which the product specification requirements have been met.

    1.5As noted in the Certification Section (16), the number and year date of this specification, as well as that of the product specification, are required to be included in the product certification.

    1.6When the SI version of a product specification is required by the purchase order, Specification A788/A788M shall be used in conjunction with Test Methods A1058 instead of Test Methods and Definitions A370.

    1.7The 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.

    1.8This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.9This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    General Product Information - (Show below) - (Hide below)

    Committee A 01
    Document Type Standard
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM A 289/A289M : 1997 : R2018 Standard Specification for Alloy Steel Forgings for Nonmagnetic Retaining Rings for Generators
    ASTM A 551/A551M : 2008 : R2018 Standard Specification for Carbon Steel Tires for Railway and Rapid Transit Applications
    ASTM A 765/A765M : 2007 : R2017 Standard Specification for Carbon Steel and Low-Alloy Steel Pressure-Vessel-Component Forgings with Mandatory Toughness Requirements
    ASTM A 859/A859M : 2004 : R2019 : EDT 1 Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components
    ASTM A 921/A921M : 1993 : R2016 Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, for Subsequent Hot Forging
    ASTM A 350/A350M : 2018 Standard Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components
    ASTM A 723/A723M : 2018 : REV A Standard Specification for Alloy Steel Forgings for High-Strength Pressure Component Application
    ASTM A 471/A471M : 2019 Standard Specification for Vacuum-Treated Alloy Steel Forgings for Turbine Rotor Disks and Wheels
    ASTM A 1090/A1090M : 2019 Standard Specification for Forged Rings and Hollows for Use as Base Plates in Power Transmission Structures
    ASTM A 388/A388M : 2019 Standard Practice for Ultrasonic Examination of Steel Forgings
    ASTM A 962/A962M : 2019 Standard Specification for Common Requirements for Bolting Intended for Use at Any Temperature from Cryogenic to the Creep Range
    ASTM A 291/A291M : 2019 Standard Specification for Steel Forgings, Carbon and Alloy, for Pinions, Gears and Shafts for Reduction Gears
    ASTM A 707/A707M : 2019 Standard Specification for Forged Carbon and Alloy Steel Flanges for Low-Temperature Service
    ASTM A 275/A275M : 2018 Standard Practice for Magnetic Particle Examination of Steel Forgings
    ASTM A 727/A727M : 2014 : R2019 Standard Specification for Carbon Steel Forgings for Piping Components with Inherent Notch Toughness
    ASTM A 982/A982M : 2010 : R2020 Standard Specification for Steel Forgings, Stainless, for Compressor and Turbine Airfoils
    ASTM A 503/A503M : 2015 : R2020 Standard Specification for Ultrasonic Examination of Forged Crankshafts
    ASTM A 592/A592M : 2010 : R2020 Standard Specification for High-Strength Quenched and Tempered Low-Alloy Steel Forged Parts for Pressure Vessels
    ASTM A 966/A966M : 2015 : R2020 Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current
    ASTM A 649/A649M : 2010 : R2020 Standard Specification for Forged Steel Rolls Used for Corrugating Paper Machinery
    ASTM A 470/A470M : 2005 : R2020 Standard Specification for Vacuum-Treated Carbon and Alloy Steel Forgings for Turbine Rotors and Shafts
    ASTM A 418/A418M : 2015 : R2020 Standard Practice for Ultrasonic Examination of Turbine and Generator Steel Rotor Forgings
    ASTM A 579/A579M : 2020 Standard Specification for Superstrength Alloy Steel Forgings
    ASTM A 638/A638M : 2020 Standard Specification for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service
    ASTM A 193/A193M : 2020 Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications
    ASTM A 745/A745M : 2020 Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings
    ASTM A 372/A372M : 2020 : EDT 1 Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels
    ASTM A 1021/A1021M : 2020 Standard Specification for Martensitic Stainless Steel Forgings and Forging Stock for High-Temperature Service
    ASTM A 1099/A1099M : 2020 Standard Specification for Modified Alloy Steel Forgings, Forged Bar, and Rolled Bar Commonly Used in Oil and Gas Pressure Vessels
    ASTM A 1049/A1049M : 2018 Standard Specification for Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
    ASTM A 181/A181M : 2014 : R2020 Standard Specification for Carbon Steel Forgings, for General-Purpose Piping
    ASTM A 836/A836M : 2014 : R2020 Standard Specification for Titanium-Stabilized Carbon Steel Forgings for Glass-Lined Piping and Pressure Vessel Service
    ASTM A 105/A105M : 2021 Standard Specification for Carbon Steel Forgings for Piping Applications
    ASTM A 705/A705M : 2020 : EDT 1 Standard Specification for Age-Hardening Stainless Steel Forgings
    ASTM A 182/A182M : 2021 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
    ASTM A 522/A522M : 2014 : R2019 : EDT 1 Standard Specification for Forged or Rolled 8 and 9% Nickel Alloy Steel Flanges, Fittings, Valves, and Parts for Low-Temperature Service
    ASTM A 508/A508M : 2018 Standard Specification for Quenched and Tempered Vacuum-Treated Carbon and Alloy Steel Forgings for Pressure Vessels
    ASTM A 473 : 2021 Standard Specification for Stainless Steel Forgings
    ASTM A 668/A668M : 2021 : REV A Standard Specification for Steel Forgings, Carbon and Alloy, for General Industrial Use
    ASTM A 965/A965M : 2021 : REV A Standard Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
    ASTM A 694/A694M : 2016 Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service
    ASTM A 288 : 2018 Standard Specification for Carbon and Alloy Steel Forgings for Magnetic Retaining Rings for Turbine Generators
    ASTM A 729/A729M : 2017 Standard Specification for Carbon and Alloy Steel Axles, Heat-Treated, for Mass Transit and Electric Railway Service
    ASTM A 504/A504M : 2018 Standard Specification for Wrought Carbon Steel Wheels

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM A 370 : 2021 Standard Test Methods and Definitions for Mechanical Testing of Steel Products
    ASTM A 668/A668M : 2021 Standard Specification for Steel Forgings, Carbon and Alloy, for General Industrial Use
    ASTM A 909/A909M : 2006 : R2021 Standard Specification for Steel Forgings, Microalloy, for General Industrial Use
    ASTM A 668/A668M : 1996 : EDT 1 Standard Specification for Steel Forgings, Carbon and Alloy, for General Industrial Use
    ASTM A 983/A983M : 2006 : R2021 Standard Specification for Continuous Grain Flow Forged Carbon and Alloy Steel Crankshafts for Medium Speed Diesel Engines
    ASTM A 983/A983M : 2006 : R2016 Standard Specification for Continuous Grain Flow Forged Carbon and Alloy Steel Crankshafts for Medium Speed Diesel Engines
    ASTM A 668/A668M : 1996 : R2001 Standard Specification for Steel Forgings, Carbon and Alloy, for General Industrial Use
    ASTM E 1820 : 2020 Standard Test Method for Measurement of Fracture Toughness
    ASTM A 668/A668M : 2021 : REV A Standard Specification for Steel Forgings, Carbon and Alloy, for General Industrial Use
    ASTM A 266/A266M : 2020 Standard Specification for Carbon Steel Forgings for Pressure Vessel Components
    ASTM A 965/A965M : 2021 Standard Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
    ASTM E 399 : 2020 : REV A Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials
    ASTM A 336/A336M : 2019 Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts
    ASTM A 966/A966M : 1996 Standard Test Method for Magnetic Particle Examination of Steel Forgings Using Alternating Current
    ASTM A 986/A986M : 2001 : R2016 Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
    ASTM A 983/A983M : 2004 Standard Specification for Continuous Grain Flow Forged Carbon and Alloy Steel Crankshafts for Medium Speed Diesel Engines
    ASTM A 751 : 2021 Standard Test Methods and Practices for Chemical Analysis of Steel Products
    ASTM A 986/A986M : 2001 : R2021 Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
    ASTM A 370 : 2020 Standard Test Methods and Definitions for Mechanical Testing of Steel Products
    ASTM A 473 : 2021 Standard Specification for Stainless Steel Forgings
    ASTM A 891/A891M : 2016 : R2021 Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
    ASTM E 23 : 2002 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials
    ASTM A 965/A965M : 2020 Standard Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
    ASTM A 939/A939M : 2015 : R2020 Standard Practice for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings (Withdrawn 2021)
    ASTM A 891/A891M : 2016 Standard Specification for Precipitation Hardening Iron Base Superalloy Forgings for Turbine Rotor Disks and Wheels
    ASTM A 833 : 1984 : R1996 Standard Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers
    ASTM A 751 : 2020 Standard Test Methods and Practices for Chemical Analysis of Steel Products
    ASTM A 370 : 2011 Standard Test Methods and Definitions for Mechanical Testing of Steel Products
    ASTM A 941 : 2009 Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
    ASTM A 290/A290M : 2016 : R2021 Standard Specification for Carbon and Alloy Steel Forgings for Rings for Reduction Gears
    ASTM A 909/A909M : 2006 : R2016 Standard Specification for Steel Forgings, Microalloy, for General Industrial Use
    ASTM A 965/A965M : 2021 : REV A Standard Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
    ASTM A 765/A765M : 1998 : REV A Standard Specification for Carbon Steel and Low-Alloy Steel Pressure-Vessel-Component Forgings with Mandatory Toughness Requirements
    ASTM E 112 : 2013 : R2021 Standard Test Methods for Determining Average Grain Size
    ASTM E 112 : 2013 Standard Test Methods for Determining Average Grain Size
    ASTM A 473 : 2019 Standard Specification for Stainless Steel Forgings
    ASTM A 290/A290M : 2016 Standard Specification for Carbon and Alloy Steel Forgings for Rings for Reduction Gears
    ASTM A 266/A266M : 2021 Standard Specification for Carbon Steel Forgings for Pressure Vessel Components
    ASTM A 336/A336M : 2021 Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts
    ASTM A 668/A668M : 2020 : REV A Standard Specification for Steel Forgings, Carbon and Alloy, for General Industrial Use
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