ASTM A1002-16
(Specification)Standard Specification for Castings, Nickel-Aluminum Ordered Alloy
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 elevated-temperature applications such as heat-resisting alloy furnace rollers, supports, hangers, 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.
General Information
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Designation: A1002 −16
Standard Specification for
1
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 elevated-temperature applications such as method unless otherwise agreed upon between the manufac-
heat-resisting alloy furnace rollers, supports, hangers, and so turer and the purchaser. Casting may be poured in sand, shell,
forth, in environments up to 2300 °F (1260 °C). investment, or centrifugal molds.
1.2 The values stated in inch-pound units are to be regarded 5.2 HeatTreatment—Castings may be shipped in the as-cast
as standard. The values given in parentheses are mathematical condition. If heat treatment is required, the treatment shall be
conversions to SI units that are provided for information only established by mutual consent between the manufacturer and
and are not considered standard. the purchaser and shall be so specified in the inquiry, purchase
1.2.1 The SI gage length for tension test specimens is in order, or contract.
brackets and is considered standard.
6. Chemical Composition
2. Referenced Documents
6.1 The castings shall conform to the requirements as to
2
2.1 ASTM Standards:
chemical composition prescribed in Table 1.
A370 Test Methods and Definitions for Mechanical Testing
7. Mechanical Properties
of Steel Products
A781/A781M Specification for Castings, Steel and Alloy,
7.1 Mechanical properties are not required unless specified
Common Requirements, for General Industrial Use
in the purchase order.
7.2 Tensile properties, if required, of the alloy used for the
3. General Conditions for Delivery
castings shall conform to the requirements prescribed in the
3.1 Material furnished to this specification shall conform to
purchase order.
the requirements of Specification A781/A781M, including any
supplementary requirements that are indicated in the purchase
8. Test Specimens
order. Failure to comply with the general requirements of
8.1 Test specimens, if required, shall be prepared in accor-
Specification A781/A781M constitutes nonconformance with
dance with Test Methods and Definitions A370. Test bars shall
this specification. In case of conflict between the requirements
be poured in special blocks from the same heat as the castings
of this specification and Specification A781/A781M, this
represented. Test bars, if required, shall be furnished in
specification shall prevail.
sufficient number for the tests required in Section 9.
4. Ordering Information
8.2 The test coupons shall be cast from the same melt from
which the castings they represent are poured, and shall repre-
4.1 The purchaser should specify the alloy grade desired
sent the full melting practice. Chemical composition of the test
and whether tension or impact tests are required, and shall
coupons shall conform to the requirements prescribed in Table
include standards of acceptance where necessary.
1.
1
8.3 Tension test specimens shall be machined to the form
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
and dimensions of the standard 2-in. [50-mm] gage length
A01.18 on Castings.
specimen shown in Fig. 4 of Test Methods and Definitions
Current edition approved Dec. 1, 2016. Published December 2016. Originally
A370.
approved in 1999. Last previous edition approved in 2015 as A1002 – 10 (2015).
DOI: 10.1520/A1002-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 9. Number of Tests and Retests
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
9.1 Tension Test—One tension test, if required by the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. purchase order, shall be made from each heat.
*A Summary of Changes section appears at the end of this standard
Copyright ©ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959. United States
1
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A1002 − 16
TABLE 1 Chemical Requirements
9.2 Retests:
Element Composition, % by Weight
9.2.1 Retests of a duplicate specimen will be allowed if the
Carbon, max 0.08
results of the mechanical tests for any lot does not conform to
A
Sulfur, max 0.020
the requirements specified in the purchase order.
Aluminum 7.3–8.5
Chromium 7.5–8.5
9.2.2 If
...
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: A1002 − 10 (Reapproved 2015) A1002 − 16
Standard Specification for
1
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*
1.1 This specification covers nickel-aluminum ordered alloy castings intended for elevated-temperature applications such as
heat-resisting alloy furnace rollers, supports, hangers, and so forth, in environments up to 2300°F (1260°C).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.
2. Referenced Documents
2
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A781/A781M Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
3. General Conditions for Delivery
3.1 Material furnished to this specification shall conform to the requirements of Specification A781/A781M, including any
supplementary requirements that are indicated in the purchase order. Failure to comply with the general requirements of
Specification A781/A781M constitutes nonconformance with this specification. In case of conflict between the requirements of this
specification and Specification A781/A781M, this specification shall prevail.
4. Ordering Information
4.1 The purchaser should specify the alloy grade desired and whether tension or impact tests are required, and shall include
standards of acceptance where necessary.
5. Materials and Manufacture
5.1 Process—The alloy for the castings shall be by any method unless otherwise agreed upon between the manufacturer and the
purchaser. Casting may be poured in sand, shell, investment, or centrifugal molds.
5.2 Heat Treatment—Castings may be shipped in the as-cast condition. If heat treatment is required, the treatment shall be
established by mutual consent between the manufacturer and the purchaser and shall be so specified in the inquiry, purchase order,
or contract.
6. Chemical Composition
6.1 The castings shall conform to the requirements as to chemical composition prescribed in Table 1.
7. Mechanical Properties
7.1 Mechanical properties are not required unless specified in the purchase order.
7.2 Tensile properties, if required, of the alloy used for the castings shall conform to the requirements prescribed in the purchase
order.
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 Dec. 1, 2015Dec. 1, 2016. Published December 2015December 2016. Originally approved in 1999. Last previous edition approved in 20102015
as A1002 – 10.A1002 – 10 (2015). DOI: 10.1520/A1002-10R15.10.1520/A1002-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on 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 ----------------------
A1002 − 16
TABLE 1 Chemical Requirements
Element Composition, % by Weight
Carbon, max 0.08
A
Sulfur, max 0.020
Aluminum 7.3–8.5
Chromium 7.5–8.5
Molybdenum 1.20–1.80
Boron 0.003–0.012
A
Silicon, max 0.20
Iron, max 1.00
Nickel Balance
A
For welding applications, see S18 for restrictions on sulfur and silicon.
7.3 Impact properties, if required, of the alloy used for the castings shall conform to the requirements prescribed in the purchase
order.
8. Test Specimens
8.1 Test specimens, if required, shall be prepared in accordance with Test Methods and Definitions A370. Test bars shall be
poured in special blocks from the same heat as the castings represented. Test bars, if required, shall be furnished in sufficient
number to furnish specimens for the tests required in Section 9.
8.2 The test coupons shall be cast from the s
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