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

ABSTRACT
This specification covers a group of requirements that are mandatory for castings produced by the investment casting process to meet the metallurgical requirements of the following steel casting specifications. Chemical, heat, and product analyses shall be performed wherein the material shall meet the specified composition limits for carbon, manganese, silicon, phosphorus, sulfur, nickel, chromium, molybdenum, vanadium, tungsten, copper, and aluminum. The specified design and dimensions of the ICI test bar shall be employed only for austenitic alloy castings. The material shall conform to mechanical properties including tension test requirements.
SCOPE
1.1 This specification covers a group of requirements that are mandatory for castings produced by the investment casting process to meet the metallurgical requirements of the following steel casting specifications issued by ASTM.    
ASTM Designation  
Title of Specification    
A27/A27M  
Steel Castings, Carbon, for General Application    
A128/A128M  
Steel Castings, Austenitic Manganese  
A148/A148M  
Steel Castings, High-Strength, for Structural Purposes    
A297/A297M  
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat-Resistant, for General Application    
A447/A447M  
Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service    
A494/A494M  
Castings, Nickel and Nickel Alloy    
A560/A560M  
Castings, Chromium-Nickel Alloy    
A732/A732M  
Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures    
A743/A743M  
Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion-Resistant, for General Application    
A744/A744M  
Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service    
A747/A747M  
Steel Castings, Stainless, Precipitation Hardening    
A890/A890M  
Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application    
A915/A915M  
Steel Castings, Carbon and Alloy, Chemical Requirements Similar to Standard Wrought Grades    
A958  
Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades  
A1002  
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 When investment castings are ordered, the requirements stated in this specification form an integral part of the material specification. In cases of conflict, 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.

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:A957/A957M −15
StandardSpecification for
Investment Castings, Steel and Alloy, Common
1
Requirements, for General Industrial Use
This standard is issued under the fixed designationA957/A957M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* testing or inspection is desired and apply only when specified
individually by the purchaser in the order.
1.1 This specification covers a group of requirements that
are mandatory for castings produced by the investment casting 1.3 When investment castings are ordered, the requirements
processtomeetthemetallurgicalrequirementsofthefollowing stated in this specification form an integral part of the material
steel casting specifications issued by ASTM. specification. In cases of conflict, the requirements of this
specification shall take precedence over the individual material
ASTM Designation Title of Specification
A27/A27M Steel Castings, Carbon, for General Ap-
specification requirements.
plication
A128/A128M Steel Castings, Austenitic Manganese 1.4 The values stated in either SI units or inch-pound units
A148/A148M Steel Castings, High-Strength, for Struc-
are to be regarded separately as standard. The values stated in
tural Purposes
each system may not be exact equivalents; therefore, each
A297/A297M Steel Castings, Iron-Chromium and Iron-
Chromium-Nickel, Heat-Resistant, for
system shall be used independently of the other. Combining
General Application
values from the two systems may result in non-conformance
A447/A447M Steel Castings, Chromium-Nickel-Iron Al-
with the standard.
loy (25-12 Class), for High-Temperature
Service
2. Referenced Documents
A494/A494M Castings, Nickel and Nickel Alloy
A560/A560M Castings, Chromium-Nickel Alloy
2
2.1 ASTM Standards:
A732/A732M Castings, Investment, Carbon and Low
Alloy Steel for General Application, and A27/A27M Specification for Steel Castings, Carbon, for
Cobalt Alloy for High Strength at Elevated
General Application
Temperatures
A128/A128M Specification for Steel Castings, Austenitic
A743/A743M Castings, Iron-Chromium, Iron-Chromium-
Nickel, Corrosion-Resistant, for General
Manganese
Application
A148/A148M Specification for Steel Castings, High
A744/A744M Castings, Iron-Chromium-Nickel, Corro-
Strength, for Structural Purposes
sion Resistant, for Severe Service
A747/A747M Steel Castings, Stainless, Precipitation
A297/A297M Specification for Steel Castings, Iron-
Hardening
Chromium and Iron-Chromium-Nickel, Heat Resistant,
A890/A890M Castings, Iron-Chromium-Nickel-
for General Application
Molybdenum Corrosion-Resistant, Duplex
(Austenitic/Ferritic) for General Applica-
A370 Test Methods and Definitions for Mechanical Testing
tion
of Steel Products
A915/A915M Steel Castings, Carbon and Alloy, Chemi-
A380 Practice for Cleaning, Descaling, and Passivation of
cal Requirements Similar to Standard
Wrought Grades
Stainless Steel Parts, Equipment, and Systems
A958 Steel Castings, Carbon and Alloy, with
A447/A447M Specification for Steel Castings, Chromium-
Tensile Requirements, Chemical Require-
Nickel-Iron Alloy (25-12 Class), for High-Temperature
ments Similar to Standard Wrought
Grades
Service
A1002 Castings, Nickel-Aluminum Ordered Alloy
A488/A488M Practice for Steel Castings, Welding, Qualifi-
1.2 This specification also covers a group of supplementary
cations of Procedures and Personnel
requirements that may be applied to the above specifications as
A494/A494M Specification for Castings, Nickel and Nickel
indicated therein. These are provided for use when additional
Alloy
A560/A560M Specification for Castings, Chromium-Nickel
Alloy
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
2
A01.18 on Castings. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved March 1, 2015. Published March 2015. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1996. Last previous edition approved in 2014 as A957/A957M – 14. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/A0957_A0957M-15. 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

---------------------- Page: 1 ----------------------
A957/A957M−15
A609/A609M Practice for Castings, Carbon, Low-Alloy, E340 Test Method for Macroetching Metals and Alloys
and Martensitic Stainless Steel, Ul
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM 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.
Designation: A957/A957M − 14 A957/A957M − 15
Standard Specification for
Investment Castings, Steel and Alloy, Common
1
Requirements, for General Industrial Use
This standard is issued under the fixed designation A957/A957M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers a group of requirements that are mandatory for castings produced by the investment casting
process to meet the metallurgical requirements of the following steel casting specifications issued by ASTM.
ASTM Designation Title of Specification
A27/A27M Steel Castings, Carbon, for General Ap-
plication
A128/A128M Steel Castings, Austenitic Manganese
A148/A148M Steel Castings, High-Strength, for Struc-
tural Purposes
A297/A297M Steel Castings, Iron-Chromium and Iron-
Chromium-Nickel, Heat-Resistant, for
General Application
A447/A447M Steel Castings, Chromium-Nickel-Iron Al-
loy (25-12 Class), for High-Temperature
Service
A494/A494M Castings, Nickel and Nickel Alloy
A560/A560M Castings, Chromium-Nickel Alloy
A732/A732M Castings, Investment, Carbon and Low
Alloy Steel for General Application, and
Cobalt Alloy for High Strength at Elevated
Temperatures
A743/A743M Castings, Iron-Chromium, Iron-Chromium-
Nickel, Corrosion-Resistant, for General
Application
A744/A744M Castings, Iron-Chromium-Nickel, Corro-
sion Resistant, for Severe Service
A747/A747M Steel Castings, Stainless, Precipitation
Hardening
A890/A890M Castings, Iron-Chromium-Nickel-
Molybdenum Corrosion-Resistant, Duplex
(Austenitic/Ferritic) for General Applica-
tion
A915/A915M Steel Castings, Carbon and Alloy, Chemi-
cal Requirements Similar to Standard
Wrought Grades
A958 Steel Castings, Carbon and Alloy, with
Tensile Requirements, Chemical Require-
ments Similar to Standard Wrought
Grades
A1002 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 When investment castings are ordered, the requirements stated in this specification form an integral part of the material
specification. In cases of conflict, the requirements of this specification shall take precedence over the individual material
specification requirements.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.18
on Castings.
Current edition approved Oct. 1, 2014March 1, 2015. Published October 2014March 2015. Originally approved in 1996. Last previous edition approved in 20132014 as
A957/A957M – 13.A957/A957M – 14. DOI: 10.1520/A0957_A0957M-14.10.1520/A0957_A0957M-15.
*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

---------------------- Page: 1 ----------------------
A957/A957M − 15
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.
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
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
A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
A494/A494M Specification for Castings, Nickel and Nickel Alloy
A560/A560M Specification for Castings, Chromium-Nickel Alloy
A609/A609M Pr
...

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