ASTM-A494 › Historical Revision Information
Standard Specification for Castings, Nickel and Nickel Alloy

ASTM-A494 - 2007 EDITION - SUPERSEDED -- See the following: ASTM-A494/A494M
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This specification covers nickel, nickel-copper, nickel-copper-silicon, nickel-molybdenum, nickel-chromium, and nickel-molybdenum-chromium alloy castings for corrosion resistant service. The castings shall be heat treated. When Class 1 is specified, grades CY40 and M25S shall be supplied in the as-cast condition. When Class 2 is specified, grades CY40 and M25S shall be supplied in the solution treated condition. When Class 3 is specified, grade M25S shall be supplied in the age-hardened condition. The chemical composition requirements of the alloys are presented. The tensile property requirements including the heat treatment procedure for the castings are presented in detail. It is required that one tension test shall be made from each master heat except for grades M25S and CY5SnBiM when the master heat is used to pour the castings. One tension test shall be made from each melt except for grades M25S and CY5SnBiM. Test results shall conform to the specified tensile requirements.

ORDER

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.

Keywords

corrosion-resistant applications; nickel; nickel alloy castings; nickel alloys; nickel castings; ICS Number Code 77.150.40 (Nickel and chromium products)

To find similar documents by ASTM Volume:

01.02 (Ferrous Castings; Ferroalloys)

To find similar documents by classification:

77.150.40 (Nickel and chromium products)

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Document Number

ASTM-A494/A494M-07

Revision Level

2007 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

May 1, 2007

Document Type

Specification

Page Count

7 pages

Committee Number

A01.18