ASTM B947-06(2013)

Standard Practice for Hot Rolling Mill Solution Heat Treatment for Aluminum Alloy Plate

ASTM International, 05/01/2013

Publisher: ASTM

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Description

Published:01/05/2013

Pages:4

File Size:1 file , 85 KB

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1.1 This practice establishes the controls required for hot rolling mill solution heat treatment of the 6xxx series aluminum alloy plate in Table 1 when ASTM material specifications allow use of this process in lieu of furnace solution heat treatment. For the alloys listed in Table 1, this practice is an alternate process to solution heat treatment in a furnace, such as specified in Practice B918 as the preliminary step for the attainment of T651-type tempers (see ANSI H35.1 ).

TABLE 1 Ingot High Limit Temperature^A

Alloy	Ingot Upper Limit Temperature °F [°C]
6061	1050 [565]

^A These upper limit temperatures avoid the possibility of eutectic melting due to overheating, and include a safety factor of approximately 25°F [15°C].

1.2 This practice applies only to hot rolling mill solution heat treatment of plate for the listed aluminum alloys. Precipitation hardening (aging) processing and equipment calibration for aging shall meet the practice and requirements of Practice B918.

1.3 The 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 nonconformance with the standard.

1.4 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 limitations prior to use.

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