ASTM A957/A957M-15a

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Designation:A957/A957M −15a
Standard Specification 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 Nov. 1, 2015. Published November 2015. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1996. Last previous edition approved in 2015 as A957/A957M – 15. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/A0957_A0957M-15A. 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
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A957/A957M−15a
A609/A609M Practice for Castings, Carbon, Low-Alloy, E340 Practice for Macroetching Metals and Alloys
and Martensitic Stainless Steel,
...