ASTM A 788/A788M : 2019 : REV A

Superseded

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Standard Specification for Steel Forgings, General Requirements

Available format(s): Hardcopy, PDF

Superseded date: 24-03-2022

Language(s): English

Published date: 22-11-2019

Publisher: American Society for Testing and Materials

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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.

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Committee	A 01
Document Type	Standard
ISBN
Pages
Published
Publisher	American Society for Testing and Materials
Status	Superseded
Superseded By	ASTM A 788/A788M : 2022
Supersedes	ASTM A 788/A788M : 2019

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

ASTM A 541/A541M : 2005 : R2020	Standard Specification for Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components
ASTM A 289/A289M : 1997 : R2018	Standard Specification for Alloy Steel Forgings for Nonmagnetic Retaining Rings for Generators (Withdrawn 2023)
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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