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Standard

Tolerances Copper and Copper Alloy Sheet, Strip, and Plate

2023-05-10
CURRENT
AMS2222L
This specification covers established inch/pound manufacturing tolerances applicable to copper and copper alloy sheet, strip, and plate ordered to inch/pound dimensions. These tolerances apply to all conditions, unless otherwise noted.
Standard

Aluminum Alloy, Extrusion, 2.7Cu - 1.8Li - 0.7Zn - 0.3Mn - 0.3Mg - 0.08Zr (2099-T81), Solution Heat Treated, Stress Relieved by Stretching 1 to 3% and Aged

2023-03-20
WIP
AMS4459C
This specification covers an aluminum alloy in the form of extruded bars, rods, and profiles (shapes) from 0.375 to 1.300 inches (9.53 to 33.02 mm) in diameter or thickness, produced with cross sectional area of 22.5 in2 (145 cm2) maximum, and a circumscribing circle diameter (circle size) of 17.4 inches (44.2 cm) maximum. See 8.3 for definition of circumscribing circle size.
Standard

Aluminum Alloy, Alclad Sheet (6156-T4) 1.0Si - 0.90Cu - 0.60Mn - 0.90Mg Solution Heat Treated and Naturally Aged (Composition similar to UNS AA6156)

2023-03-20
WIP
AMS4405D
1.1 Form This specification covers an aluminum alloy procured in the form of sheet 0.078 to 0.197 inch (2.00 to 5.00 mm), inclusive, in nominal thickness, Alclad on both sides (see 8.5). 1.2 Application These products have been used typically for formed structural parts requiring good formability in T4 temper and ability to develop improved resistance to fatigue crack growth and high toughness with moderate strength when aged to T62 temper, but usage is not limited to such applications.
Standard

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

2023-03-20
WIP
ARP1947D
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 50000 psi (345 MPa).To apply this method, at least two coupons used for DAS measurement and two tensile specimens shall be attached in locations defined by the cognizant engineering organization.Areas of the casting which require DAS control must be accessible for surface DAS measurements, or if internal locations are to be tested, such locations shall be defined by the cognizant engineering organization.
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