Standard Specification for Castings, Nickel and Nickel Alloy

SCOPE
1.1 This specification covers nickel, nickel-copper, nickel-copper-silicon, nickel-molybdenum, nickel-chromium, and nickel-molybdenum-chromium alloy castings for corrosion-resistant service.
1.2 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 494 and SI units for material ordered to Specification A 494M.

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09-May-2003
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ASTM A494/A494M-03 - Standard Specification for Castings, Nickel and Nickel Alloy
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 494/A 494M – 03
Standard Specification for
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Castings, Nickel and Nickel Alloy
This standard is issued under the fixed designation A 494/A 494M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* E 38 Methods for Chemical Analysis of Nickel-Chromium
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and Nickel-Chromium-Iron Alloys
1.1 This specification covers nickel, nickel-copper, nickel-
E 76 Test Methods for Chemical Analysis of Nickel-Copper
copper-silicon, nickel-molybdenum, nickel-chromium, and
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Alloys
nickel-molybdenum-chromium alloy castings for corrosion-
E 354 Test Methods for Chemical Analysis of High-
resistant service.
Temperature, Electrical, Magnetic, and Other Similar Iron,
1.2 The values stated in either inch-pound units or SI units
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Nickel, and Cobalt Alloys
are to be regarded separately as standard. Within the text, the
SI units are shown in brackets. The values stated in each
3. Terminology
system are not exact equivalents; therefore, each system must
3.1 Definitions:
be used independently of the other. Combining values from the
3.1.1 master heat—a single furnace charge of refined alloy
two systems may result in nonconformance with the specifi-
which may either be poured directly into castings or into remelt
cation. Inch-pound units are applicable for material ordered to
alloy for individual melts.
Specification A 494 and SI units for material ordered to
3.1.2 melts—a single furnace charge poured into castings.
Specification A 494M.
When master heats are used to prepare melts, a melt analysis
2. Referenced Documents shall be reported.
2.1 ASTM Standards:
4. General Conditions for Delivery
A 370 Test Methods and Definitions for Mechanical Testing
2 4.1 Material furnished to this specification shall conform to
of Steel Products
the requirements of Specification A 781/A 781M, including
A 488/A488M Practice for Steel Castings, Welding, Quali-
3 any supplementary requirements that are indicated in the
fications of Procedures and Personnel
purchase order. Failure to comply with the general require-
A 732/A732M Specification for Castings, Investment, Car-
ments of Specification A 781/A 781M constitutes nonconfor-
bon and Low-Alloy Steel for General Application, and
3
mance with this specification. In case of conflict between the
Cobalt Alloy for High Strength at Elevated Temperatures
requirements of this specification and Specification A 781/
A 781/A781M Specification for Castings, Steel and Alloy,
3 A 781M, this specification shall prevail.
Common Requirements, for General Industrial Use
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E 8 Test Methods for Tension Testing of Metallic Materials
5. Ordering Information
E 29 Practice for Using Significant Digits in Test Data to
5.1 Orders for castings to this specification should include
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Determine Conformance with Specifications
the following information:
E 30 Test Methods for Chemical Analysis of Steel, Cast
5.1.1 Quantity, in pieces, and
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Iron, Open-Hearth Iron, and Wrought Iron
5.1.2 Grade designation (Table 1) and class (Table 2).
5.2 The purchaser shall specify any of the following infor-
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This specification is under the jurisdiction of ASTM Committee A01 on Steel, mation required to describe adequately the desired material:
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
5.2.1 Heat treat condition (see 6.1 and 6.2),
A01.18 on Castings.
5.2.2 Repair welding (see 11)
Current edition approved May 10, 2003. Published May 2003. Originally
5.2.3 Source inspection requirements, if any (see Specifica-
approved in 1958. Redesignated as A 494 in 1963. Last previous edition approved
in 2001 as A 494/A 494M – 01a.
tion A 781/A 781M),
2
Annual Book of ASTM Standards, Vol 01.03.
3
Annual Book of ASTM Standards, Vol 01.02.
4
Annual Book of ASTM Standards, Vol 03.01.
5 7
Annual Book of ASTM Standards, Vol 14.02. Discontinued, see 1989 Annual Book of ASTM Standards, Vol 03.05.
6 8
Discontinued. See 1994 Annual Book of ASTM Standards, Vol 03.05. Annual Book of ASTM Standards, Vol 03.05.
*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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A 494/A 494M – 03
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
TABLE 1 Chemical Requirements
NOTE—Values are maximum unless otherwise indicated.
A A
Grade CZ100 M35-1 M35
...

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