ASTM A781/A781M-04
(Specification)Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
SCOPE
1.1 This specification covers a group of requirements that are mandatory requirements of the following steel casting specifications issued by ASTM. If the product specification specifies different requirements, the product specification shall prevail.
ASTM Designation Title of SpecificationA 27/A 27M Steel Castings, Carbon, for General ApplicationA 128/A 128MSteel Castings, Austenitic ManganeseA 148/A 148MSteel Castings, High-Strength, for Structural PurposesA 297/A 297M Steel Castings, Iron Chromium and Iron-Chromium-Nickel, Heat Resistant for General ApplicationA 447/A 447M Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service A 486/A 486MSteel Castings, for Highway BridgesA 494/A 494MCastings, Nickel and Nickel Alloy A 560/A 560MCastings, Chromium-Nickel Alloy A 743/A 743MCastings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application A 744/A 744M Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe ServiceA 747/A 747M Steel Castings, Stainless, Precipitation HardeningA 890/A 890M Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General ApplicationA 915/A 915MSteel Castings, Carbon and Alloy, Chemical Requirements Similar to Standard Wrought GradesA 958Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similiar to Standard Wrought GradesA 1002Castings, Nickel-Aluminum Ordered Alloy
1.2 This specification also covers a group of supplementary requirements that may be applied to the above specifications as indicated therein. These 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 The requirements of the individual material specification, and this general specification shall prevail in the sequence named.
1.4 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. Inch-pound units are applicable for material ordered to Specification A 781 and SI units for material ordered to Specification A 781M.
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Designation: A 781/A 781M – 04
Standard Specification for
Castings, Steel and Alloy, Common Requirements, for
1
General Industrial Use
This standard is issued under the fixed designation A 781/A 781M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope* system are not exact equivalents; therefore, each system must
be used independently of the other. Combining values from the
1.1 This specification covers a group of requirements that
two systems may result in nonconformance with the specifi-
are mandatory requirements of the following steel casting
cation. Inch-pound units are applicable for material ordered to
specifications issued by ASTM. If the product specification
Specification A 781 and SI units for material ordered to
specifies different requirements, the product specification shall
Specification A 781M.
prevail.
ASTM
2. Referenced Documents
Designation Title of Specification
2
A 27/A 27M Steel Castings, Carbon, for General Application
2.1 ASTM Standards:
A 128/A 128M Steel Castings, Austenitic Manganese
A 27/A27M Specification for Steel Castings, Carbon, for
A 148/A 148M Steel Castings, High-Strength, for Structural Purposes
General Application
A 297/A 297M Steel Castings, Iron Chromium and Iron-Chromium-Nickel,
Heat Resistant for General Application
A 128/A128M Specification for Steel Castings, Austenitic
A 447/A 447M Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class),
Manganese
for High-Temperature Service
A 148/A148M Specification for Steel Castings, High
A 486/A 486M Steel Castings, for Highway Bridges
A 494/A 494M Castings, Nickel and Nickel Alloy
Strength, for Structural Purposes
A 560/A 560M Castings, Chromium-Nickel Alloy
A 297/A297M Specification for Steel Castings, Iron-
A 743/A 743M Castings, Iron-Chromium, Iron-Chromium-Nickel, Corro-
Chromium and Iron-Chromium-Nickel, Heat Resistant, for
sion Resistant, for General Application
A 744/A 744M Castings, Iron-Chromium-Nickel, Corrosion Resistant, for
General Application
Severe Service
A 370 Test Methods and Definitions for Mechanical Testing
A 747/A 747M Steel Castings, Stainless, Precipitation Hardening
A 890/A 890M Castings, Iron-Chromium-Nickel-Molybdenum Corrosion- of Steel Products
Resistant, Duplex (Austenitic/Ferritic) for General Applica-
A 380 Practice for Cleaning, Descaling, and Passivation of
tion
Stainless Steel Parts, Equipment, and Systems
A 915/A 915M Steel Castings, Carbon and Alloy, Chemical Requirements
Similar to Standard Wrought Grades A 447/A 447M Specification for Steel Castings,
A 958 Steel Castings, Carbon and Alloy, with Tensile Require-
Chromium-Nickel-Iron Alloy (25-12 Class), for High-
ments, Chemical Requirements Similiar to Standard
Temperature Service
Wrought Grades
A 1002 Castings, Nickel-Aluminum Ordered Alloy A 486/A 486M Specification for Steel Castings for High-
3
way Bridges
1.2 This specification also covers a group of supplementary
A 488/A 488M Practice for Steel Castings, Welding, Quali-
requirements that may be applied to the above specifications as
fications of Procedures and Personnel
indicated therein. These are provided for use when additional
A 494/A 494M Specification for Castings, Nickel and
testing or inspection is desired and apply only when specified
Nickel Alloy
individually by the purchaser in the order.
A 560/A 560M Specification for Castings, Chromium-
1.3 The requirements of the individual material specifica-
Nickel Alloy
tion, and this general specification shall prevail in the sequence
A 609/A 609M Practice for Castings, Carbon, Low-Alloy,
named.
and Martensitic Stainless Steel, Ultrasonic Examination
1.4 The values stated in either inch-pound units or SI units
Thereof
are to be regarded separately as standard. Within the text, the
A 743/A 743M Specification for Castings, Iron-Chromium,
SI units are shown in brackets. The values stated in each
1 2
This specification is under the jurisdiction of ASTM Committee A01 on Steel, For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
A01.18 on Castings. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved March 1, 2004. Published April 2004. Originally the ASTM website.
3
approved in 1980. Last previous edition approved in 2003 as A 781/A 781M – 03a. Withdrawn.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-295
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
An American National Standard Designation: A 781/A 781M – 04
Designation:A 781/A 781M–03a
Standard Specification for
Castings, Steel and Alloy, Common Requirements, for
1
General Industrial Use
ThisstandardisissuedunderthefixeddesignationA781/A781M;thenumberimmediatelyfollowingthedesignationindicatestheyear
of original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers a group of requirements that are mandatory requirements of the following steel casting
specificationsissuedbyASTM.Iftheproductspecificationspecifiesdifferentrequirements,theproductspecificationshallprevail.
ASTM
Designation Title of Specification
A 27/A 27M Steel Castings, Carbon, for General Application
A 128/A 128M Steel Castings, Austenitic Manganese
A 148/A 148M Steel Castings, High-Strength, for Structural Purposes
A 297/A 297M Steel Castings, Iron Chromium and Iron-Chromium-Nickel,
Heat Resistant for General Application
A 447/A 447M Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class),
for High-Temperature Service
A 486/A 486M Steel Castings, for Highway Bridges
A 494/A 494M Castings, Nickel and Nickel Alloy
A 560/A 560M Castings, Chromium-Nickel Alloy
A 743/A 743M Castings, Iron-Chromium, Iron-Chromium-Nickel, Corro-
sion Resistant, for General Application
A 744/A 744M Castings, Iron-Chromium-Nickel, Corrosion Resistant, for
Severe Service
A 747/A 747M Steel Castings, Stainless, Precipitation Hardening
A 890/A 890M Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-
Resistant, Duplex (Austenitic/Ferritic) for General Applica-
tion
A 915/A 915M Steel Castings, Carbon and Alloy, Chemical Requirements
Similar to Standard Wrought Grades
A 958 Steel Castings, Carbon and Alloy, with Tensile Require-
ments, Chemical Requirements Similiar to Standard
Wrought Grades
A 1002 Castings, Nickel-Aluminum Ordered Alloy
1.2 This specification also covers a group of supplementary requirements that may be applied to the above specifications as
indicated therein. These 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 Therequirementsoftheindividualmaterialspecification,andthisgeneralspecificationshallprevailinthesequencenamed.
1.4 Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunits
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.
Inch-pound units are applicable for material ordered to Specification A781 and SI units for material ordered to Specification
A781M.
2. Referenced Documents
2
2.1 ASTM Standards:
A27/A27M Specification for Steel Castings, Carbon, for General Application
A128/A128M Specification for Steel Castings, Austenitic Manganese
A148/A148M Specification for Steel Castings, High Strength, for Structural Purposes
1
ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.18
on Castings.
Current edition approved May 10, 2003.March 1, 2004. Published June 2003.April 2004. Originally approved in 1980. Last previous edition approved in 2003 as
A781/A781M–03a.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
, Vol 01.02.volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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A 781/A 781M – 04
A297/A297M Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General
Application
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
A447/A447M Specification for Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service
3
A486/A486M Specification for Steel Castings for Highway Bridges
A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and
...
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