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ASTM A494/A494M-01a

(Specification)

Standard Specification for Castings, Nickel and Nickel Alloy

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 A494 and SI units for material ordered to Specification A494M.

General Information

Status
Historical
Publication Date
09-Sep-2001
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.18 - Castings
Current Stage
Ref Project

Relations

Replaces
ASTM A494/A494M-01 - Standard Specification for Castings, Nickel and Nickel Alloy
Effective Date
10-Sep-2001
Replaced By
ASTM A494/A494M-01ae1 - Standard Specification for Castings, Nickel and Nickel Alloy
Effective Date
10-Sep-2001
Referred By
ASTM A957/A957M-21 - Standard Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use
Effective Date
10-Sep-2001
Referred By
ASTM A744/A744M-21a - Standard Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
Effective Date
10-Sep-2001
Referred By
ASTM A488/A488M-18e2 - Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
Effective Date
10-Sep-2001
Referred By
ASTM F998-12(2022) - Standard Specification for Centrifugal Pump, Shipboard Use
Effective Date
10-Sep-2001
Referred By
ASTM F1508-96(2021) - Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services
Effective Date
10-Sep-2001
Referred By
ASTM A743/A743M-21 - Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
Effective Date
10-Sep-2001
Referred By
ASTM F1511-18(2023) - Standard Specification for Mechanical Seals for Shipboard Pump Applications
Effective Date
10-Sep-2001
Referred By
ASTM A781/A781M-21 - Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
Effective Date
10-Sep-2001
Referred By
ASTM A990/A990M-21 - Standard Specification for Castings, Iron-Nickel-Chromium and Nickel Alloys, Specially Controlled for Pressure-Retaining Parts for Corrosive Service
Effective Date
10-Sep-2001

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ASTM A494/A494M-01a - Standard Specification for Castings, Nickel and Nickel AlloyASTM A494/A494M-01a - Standard Specification for Castings, Nickel and Nickel Alloy
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ASTM A494/A494M-01a - Standard Specification for Castings, Nickel and Nickel Alloy
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 494/A 494M – 01a An American National Standard
Standard Specification for
1
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 76 Test Methods for Chemical Analysis of Nickel-Copper
6
Alloys
1.1 This specification covers nickel, nickel-copper, nickel-
E 354 Test Methods for Chemical Analysis of High-
copper-silicon, nickel-molybdenum, nickel-chromium, and
Temperature, Electrical, Magnetic, and Other Similar Iron,
nickel-molybdenum-chromium alloy castings for corrosion-
6
Nickel, and Cobalt Alloys
resistant service.
1.2 The values stated in either inch-pound units or SI units
3. Terminology
are to be regarded separately as standard. Within the text, the
3.1 Definitions:
SI units are shown in brackets. The values stated in each
3.1.1 master heat—a single furnace charge of refined alloy
system are not exact equivalents; therefore, each system must
which may either be poured directly into castings or into remelt
be used independently of the other. Combining values from the
alloy for individual melts.
two systems may result in nonconformance with the specifi-
3.1.2 melts—a single furnace charge poured into castings.
cation. Inch-pound units are applicable for material ordered to
When master heats are used to prepare melts, a melt analysis
Specification A 494 and SI units for material ordered to
shall be reported.
Specification A 494M.
4. General Conditions for Delivery
2. Referenced Documents
4.1 Material furnished to this specification shall conform to
2.1 ASTM Standards:
the requirements of Specification A 781/A 781M, including
A 370 Test Methods and Definitions for Mechanical Testing
2
any supplementary requirements that are indicated in the
of Steel Products
purchase order. Failure to comply with the general require-
A 488/A488M Practice for Steel Castings, Welding, Quali-
3
ments of Specification A 781/A 781M constitutes nonconfor-
fications of Procedures and Personnel
mance with this specification. In case of conflict between the
A 732/A732M Specification for Castings, Investment, Car-
requirements of this specification and Specification A 781/
bon and Low–Alloy Steel for General Application, and
3 A 781M, this specification shall prevail.
Cobalt Alloy for High Strength at Elevated Temperatures
A 781/A781M Specification for Castings, Steel and Alloy,
5. Ordering Information
3
Common Requirements, for General Industrial Use
4 5.1 Orders for castings to this specification should include
E 8 Test Methods for Tension Testing of Metallic Materials
the following information:
E 29 Practice for Using Significant Digits in Test Data to
5 5.1.1 Quantity, in pieces, and
Determine Conformance with Specifications
5.1.2 Grade designation (Table 1) and class (Table 2).
E 30 Test Methods for Chemical Analysis of Steel, Cast
6 5.2 The purchaser shall specify any of the following infor-
Iron, Open-Hearth Iron, and Wrought Iron
mation required to describe adequately the desired material:
E 38 Methods for Chemical Analysis of Nickel-Chromium
7 5.2.1 Heat treat condition (see 6.1 and 6.2),
and Nickel-Chromium-Iron Alloys
5.2.2 Repair welding (see 11)
5.2.3 Source inspection requirements, if any (see Specifica-
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
tion A 781/A 781M),
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
5.2.4 Marking-for-identification requirements, if any (see
A01.18 on Castings.
Current edition approved Sept. 10, 2001. Published November 2001. Originally 13.1), and
published as B 332 – 58 T. Redesignated as A 494 in 1963. Last previous edition
5.2.5 Supplementary requirements desired, including the
A 494/A 494M – 01.
standards of acceptance.
2
Annual Book of ASTM Standards, Vol 01.03.
3
Annual Book of ASTM Standards, Vol 01.02.
4
6. Heat Treatment
Annual Book of ASTM Standards, Vol 03.01.
5
Annual Book of ASTM Standards, Vol 14.02.
6.1 Castings shall be heat treated in accordance with the
6
Annual Book of ASTM Standards, Vol 03.05.
requirements in Table 2.
7
Discontinued, see 1989 Annual Book of ASTM Standards, Vol 03.05.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
A 494/A 494M
2
TABLE 1 Chemical Requirements
NOTE 1—Values are maximum unless otherwise indicated.
Composition, %
...

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3.1 The compression resistance perpendicular to the faces, the resistance to the extrusion during compression, and the ability to recover after release of the load are indicative of a joint filler's ability to continuously fill a concrete expansion joint and thereby prevent damage that might otherwise occur during thermal expansion. The asphalt content is a measure of the fiber-type joint filler's durability and life expectancy. In the case of cork-type fillers, the resistance to water absorption and resistance to boiling hydrochloric acid are relative measures of durability and life expectancy.
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1.1 These test methods cover the physical properties associated with preformed expansion joint fillers. The test methods include:    
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Section  
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7.1  
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7.3  
Boiling in Hydrochloric Acid  
7.4  
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7.5  
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7.6  
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