Standard Specification for Castings, Nickel-Aluminum Ordered Alloy

ABSTRACT
This specification covers nickel-aluminum ordered alloy castings intended for heat-resisting and elevated-temperature applications such as heat-resistant alloy structural members, containers, supports, hangers, spacers, and so forth. The alloy for the castings shall be processed by any method and shall undergo heat treatment. The castings shall conform to the required chemical composition for carbon, sulfur, aluminum, chromium, molybdenum, zirconium, boron, silicon, iron, and nickel. Retests of a duplicate specimen shall be allowed if the elongation of any tension test specimen is less than specific requirement.
SCOPE
1.1 This specification covers nickel-aluminum ordered alloy castings intended for heat-resisting and elevated-temperature applications such as heat-resistant alloy structural members, containers, supports, hangers, spacers, and so forth, in environments up to 2300°F (1260°C).
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.2.1 The SI gage length for tension test specimens is in brackets and is considered standard.

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30-Sep-2009
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ASTM A1002-99(2009) - Standard Specification for Castings, Nickel-Aluminum Ordered Alloy
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: A1002 – 99 (Reapproved 2009)
Standard Specification for
Castings, Nickel-Aluminum Ordered Alloy
This standard is issued under the fixed designation A1002; 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 5. Materials and Manufacture
1.1 This specification covers nickel-aluminum ordered alloy 5.1 Process—The alloy for the castings shall be by any
castings intended for heat-resisting and elevated-temperature method unless otherwise agreed upon between the manufac-
applications such as heat-resistant alloy structural members, turer and the purchaser. Casting may be poured in sand, shell,
containers, supports, hangers, spacers, and so forth, in envi- investment, or centrifugal molds.
ronments up to 2300°F (1260°C). 5.2 HeatTreatment—Castings may be shipped in the as-cast
1.2 The values stated in inch-pound units are to be regarded condition. If heat treatment is required the treatment shall be
as standard. The values given in parentheses are mathematical established by mutual consent between the manufacturer and
conversions to SI units that are provided for information only the purchaser and shall be so specified in the inquiry, purchase
and are not considered standard. order, or contract.
1.2.1 The SI gage length for tension test specimens is in
6. Chemical Composition
brackets and is considered standard.
6.1 The castings shall conform to the requirements as to
2. Referenced Documents
chemical composition prescribed in Table 1.
2.1 ASTM Standards:
7. Mechanical Properties
A370 Test Methods and Definitions for Mechanical Testing
of Steel Products 7.1 Mechanical properties are not required unless specified
in the purchase order.
A781/A781M Specification for Castings, Steel and Alloy,
Common Requirements, for General Industrial Use 7.2 Tensile properties, if required, of the alloy used for the
castings shall conform to the requirements prescribed in the
3. General Conditions for Delivery
purchase order.
3.1 Material furnished to this specification shall conform to 7.3 Impact properties, if required, of the alloy used for the
the requirements of SpecificationA781/A781M, including any castings shall conform to the requirements prescribed in the
supplementary requirements that are indicated in the purchase purchase order.
order. Failure to comply with the general requirements of
8. Test Specimens
Specification A781/A781M constitutes nonconformance with
this specification. In case of conflict between the requirements 8.1 Test specimens, if required, shall be prepared in accor-
dance with Test Methods and DefinitionsA370. Test bars shall
of this specification and Specification A781/A781M, this
specification shall prevail. be poured in special blocks from the same heat as the castings
represented. Test bars, if required, shall be furnished in
4. Ordering Information
sufficient number to furnish specimens for the tests required in
4.1 The purchaser should specify the alloy grade desired Section 9.
and whether tension or impact tests are required, and shall 8.2 The test coupons shall be cast from the same melt from
include standards of acceptance where necessary. which the castings they represent are poured, and shall repre-
sent the full melting practice. Chemical composition of the test
1 coupons shall conform to the requirements prescribed in Table
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee 1.
A01.18 on Castings.
8.3 Tension test specimens shall be machined to the form
Current edition approved Oct. 1, 2009. Published January 2010. Originally
and dimensions of the standard 2-in. [50-mm] gage length
approved in 1999. Last previous edition approved in 2
...

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