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ASTM B85/B85M-10

ASTM B85/B85M-10

Standard Specification for Aluminum-Alloy Die Castings

2013-08-21 /Historical

This specification covers aluminum-alloy die castings of all compositions. Unless otherwise specified, only aluminum alloy conforming to the requirements of Specification B 179 or producer's foundry scrap shall be used in the remelting furnace from which molten metal is taken for pouring directly into castings. Additions of small amounts of modifiers and grain refining elements or alloys are permitted. Pure materials, recycled materials, and master alloys and material not conforming to Specification B 179 may be used to make alloys conforming to this specification, provided chemical analysis can be taken and adjusted to conform to the chemical requirements prior to pouring any castings. The castings shall be supplied such that they can be laid out and machined to the final dimensions specified on the blueprints or drawings.


1.1 This specification covers aluminum-alloy die castings of all compositions. Thirteen of the most commonly die cast alloy compositions are specified, designated as shown in Table 1.

1.2 This specification is not intended for aluminum-alloy die 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.

1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see Annex A1 and Annex A2.

1.6 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.

aluminum; die casting; Acceptance criteria/testing--castings; Aluminum alloys (castings)--specifications; Die casting aluminum alloys--specifications; Property limits; UNS A03600 (Aluminum foundry alloy, casting); UNS A03800 (Aluminum foundry alloy, casting); UNS A03830 (Aluminum foundry alloy, casting); UNS A03840 (Aluminum foundry alloy, casting); UNS A03900 (Aluminum foundry alloy, casting); UNS A03920 (Aluminum foundry alloy, casting); UNS A04130 (Aluminum foundry alloy, casting); UNS A05180 (Aluminum foundry alloy, casting); UNS A13600 (Aluminum foundry alloy, casting); UNS A13800 (Aluminum foundry alloy, casting); UNS A14130 (Aluminum foundry alloy, casting); UNS A23900 (Aluminum foundry alloy, casting); UNS A34430 (Aluminum foundry alloy, casting)
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