Standard Historical Last Updated: Jan 23, 2012 Track Document
ASTM B618/B618M-11

Standard Specification for Aluminum-Alloy Investment Castings

Standard Specification for Aluminum-Alloy Investment Castings B0618_B0618M-11 ASTM|B0618_B0618M-11|en-US Standard Specification for Aluminum-Alloy Investment Castings Standard new BOS Vol. 02.02 Committee B07
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Abstract

This specification covers aluminum-alloy investment castings. Unless otherwise specified, only aluminum alloy conforming to the requirements shall be used in the remelting furnace from which molten metal is taken for pouring directly into castings. The castings shall conform to the chemical composition requirements specified. The determination of chemical composition shall be made in accordance with suitable chemical (Test Methods E 34), or spectrochemical (Test Methods E 607 and E 1251) methods. Unless otherwise specified, only aluminum alloy conforming to the requirements shall be used in the remelting furnace from which molten metal is taken for pouring directly into castings. Foundry control shall consist of examination of castings by radiographic or other approved methods for determining internal discontinuities until the gating, pouring, and other foundry practices have been established to produce castings meeting the required quality standards. The tensile properties shall be determined in accordance with Test Methods B 557 and B 557M. Heat treatment of castings shall be performed in accordance with Practice B 917/B 917M.

Scope

1.1 This specification covers aluminum-alloy investment castings designated as shown in Table 1.

1.2 This specification is not intended for aluminum-alloy investment castings used in aerospace applications.

1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1 (M). The equivalent Unified Numbering System alloy designations are in accordance with Practice E527.

1.4 Unless the order specifies the M specification designation, the material shall be furnished to the inch-pound units.

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Details
Book of Standards Volume: 02.02
Developed by Subcommittee: B07.01
Pages: 13
DOI: 10.1520/B0618_B0618M-11
ICS Code: 77.150.10