Standard Specification for Castings, Chromium-Nickel Alloy

SCOPE
1.1 This specification covers chromium-nickel alloy castings intended for heat-resisting and elevated-temperature corrosion applications such as structural members, containers, supports, hangers, spacers, and the like in corrosive environments up to 2000°F [1090°C].  
1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the test, 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.

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09-May-1998
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ASTM A560/A560M-93(1998) - Standard Specification for Castings, Chromium-Nickel 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: A 560/A 560M – 93 (Reapproved 1998)
Standard Specification for
Castings, Chromium-Nickel Alloy
This standard is issued under the fixed designationA560/A560M; 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.
1. Scope 5. Materials and Manufacture
1.1 This specification covers chromium-nickel alloy cast- 5.1 Process—Thealloyforthecastingsshallbemadebythe
ings intended for heat-resisting and elevated-temperature cor- electric-arc or induction-furnace process unless otherwise
rosion applications such as structural members, containers, agreed upon between the manufacturer and the purchaser.
supports, hangers, spacers, and the like in corrosive environ- Castings may be poured in sand, shell, investment, or centrifu-
ments up to 2000°F [1090°C]. gal molds.
1.2 The values stated in either inch-pound units or SI units 5.2 HeatTreatment—Castings may be shipped in the as-cast
are to be regarded separately as standard.Within the test, the SI condition. If heat treatment is required the treatment shall be
units are shown in brackets. The values stated in each system established by mutual consent between the manufacturer and
are not exact equivalents; therefore, each system must be used purchaser and shall be so specified in the inquiry, purchase
independently of the other. Combining values from the two order, or contract.
systems may result in nonconformance with the specification.
6. Chemical Composition
2. Referenced Documents
6.1 The castings shall conform to the requirements as to
2.1 ASTM Standards: chemical composition prescribed in Table 1.
A 370 Test Methods and Definitions for MechanicalTesting
7. Tensile Properties
of Steel Products
7.1 Tensile properties, if required, of the alloy used for
A 781/A 781M Specification for Castings, Steel and Alloy,
Common Requirements, for General Industrial Use the castings shall conform to the requirements prescribed in
Table 2.
3. General Conditions for Delivery
7.2 Tension tests, if required, shall be performed in accor-
3.1 Material furnished to this specification shall conform to dance with Test Methods and Definitions A 370.
the requirements of Specification A 781/A 781M, including
8. Test Specimens
any supplementary requirements that are indicated in the
purchase order. Failure to comply with the general require- 8.1 Test specimens, if required, shall be prepared in accor-
dance with Test Methods and DefinitionsA 370. Test bars shall
ments of Specification A 781/A 781M constitutes nonconfor-
mance with this specification. In case of conflict between the be poured in special blocks from the same heat as the castings
represented. Test bars, if required, shall be furnished in
requirements of this specification and Specification A 781/
A 781M, this specification shall prevail. sufficient number to furnish specimens for the test required in
Section 9.
4. Ordering Information
8.2 The test coupons shall be cast from the same melt from
4.1 The purchaser should specify the alloy grade desired which the castings they represent are poured, and shall repre-
and whether tension tests are required, and shall include sent the full melting practice. Chemical composition of the test
standards of acceptance where necessary. coupons shall conform to the requirements prescribed in Table
1.
8.3 Tension test specimens shall be machined to the form
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
and dimensions of the standard round 2-in. [50-mm] gage
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee
length specimen shown in Fig. 4 of Test Methods and Defini-
A01.18 on Castings.
Current edition approved Dec. 15, 1993. Published February 1994. Originally
tions A 370.
published as A 560 – 6
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