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TOLERANCES Aluminum Alloy and Magnesium Alloy Extrusions

1991-10-01
HISTORICAL
AMS2205M
This specification covers established manufacturing tolerances applicable to aluminum alloy and magnesium alloy extruded bar, rod, wire, shapes, and tubing ordered to inch/pound dimensions. Tolerances greater than standard may be necessary for some shapes; tolerances closer than standard may be possible for others. Tolerances shown herein, however, apply unless otherwise agreed upon by purchaser and vendor and apply to all tempers, unless otherwise noted. The term "excl" is used to apply only to the higher figure of the specified range. The general temper designations "-TX510" and "-TX511" are used for brevity and denote the full temper designations -T3510, -T4510, -T6510, -T8510, -T73510, -T76510, -T3511, -T4511, -T6511, -T8511, -T73511, and -T76511, the "X" representing one or more digits preceding the "510" or "511".
Standard

TOLERANCES Aluminum-Base and Magnesium-Base Alloy Extrusions

1973-05-15
HISTORICAL
AMS2205L
This specification covers established manufacturing tolerances applicable to aluminum-base and magnesium-base alloy extruded bar, rod, wire, shapes, and tubing. Tolerances greater than standard may be necessary for some shapes; tolerances closer than standard may be possible for others. Tolerances shown herein, however, apply unless otherwise agreed upon by purchaser and vendor and apply to all tempers, unless otherwise noted. The term "excl" is used to apply only to the higher figure of the specified range. The general temper designations "-TX510" and "-TX511" are used for brevity and denote the full temper designations -T3510, -T4510, -T6510, -T8510, -T73510, -T76510, -T3511, -T4511, -T6511, -T8511, -T73511, and -T76511, the "X" representing one or more digits preceding the "510" or "511".
Standard

Aluminum Alloy, Alclad Sheet 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (Alclad 7075-0) Annealed, Fine Grained

2019-03-28
WIP
AMS4278C
This specification covers an aluminum alloy in the form of alclad sheet whose core grain size shall be ASTM No. 6 or finer.

This sheet has been used typically for severely formed structural parts which will be subsequently heat treated and painted or otherwise protected from corrosion, but usage is not limited to such applications.

Certain design and processing procedures may cause this sheet to become susceptible to stress-corrosion cracking after heat treatment; SAE ARP 823 recommends practices to minimize such conditions.

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