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SAE ARP1947 Rev D

Current Revision

Dendrite Arm Spacing of Structural Aircraft Quality D357 Aluminum Alloy Castings, Determination and Acceptance of


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This document covers the recommended practice for determining the acceptability of the dendrite arm spacing (DAS) of D357-T6 aluminum alloy castings required to have tensile strength not lower than 50 ksi (345 MPa).

SDO SAE: SAE International
Document Number ARP1947
Publication Date May 9, 2024
Language en - English
Page Count
Revision Level D
Supercedes
Committee
Publish Date Document Id Type View
May 9, 2024 ARP1947D Revision
Aug. 22, 2018 ARP1947C Revision
Aug. 17, 2007 ARP1947B Revision
Oct. 1, 1989 ARP1947A Revision
Oct. 1, 1985 ARP1947 Revision