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Aluminum 2219 has good machinability and
good mechanical properties. Aluminum 2219 is an age-hardenable copper
containing alloy of aluminum.
Applications: Aluminum 2219 is typically
used in high temperature, structural applications and in high strength
Specifications: UNS A92219
2219 Aluminum Sheet, 2219 Aluminum Plate
ASTM-B-316, MIL-A-46118, MIL-A-46808, MIL-A-8920,
ASTM-B-209, ASTM-B-211, ASTM-B-221 (Plate)
Temper: 2219-0, 2219-T31, 2219-T81, 2219-T37, 2219-T87
Bare: QQ-A-250/30, AMS 4031
Clad: AMS 4094, AMS 4095, AMS 4096, DMS-1719, BMS-7-110
2219-T851 Aluminum Plate Per AMS-QQ-A250/3
We are a certified distributor of Aluminum 2219
alloy in sheets, plates, pipes, and tubing in various specifications.
2219 Aluminum Pipe
ASTM-B-241 (Seamless pipe)
2219 Aluminum Tube
AMS 4066, AMS 4068
ASTM-B-247 (Open Die Forging), QQ-A-367 (Open Die Forging), QQ-A-430 (Rivet,
Wire and Rod)
Chemical Composition Limits
In the annealed condition this alloy is readily
machined. It is more difficult to machine in any of the heat treated
conditions, which is the condition in which most machining is actually done.
Use of oil base lubrication is advised for all machining operations.
The alloy may be readily formed by conventional
methods. However there are precautions in regard to hot forming - see "Hot
Welding heat input affects the corrosion
resistance of this alloy in an adverse manner. Thus any welding should be
followed by a repeat heat treatment to restore corrosion resistance.
Resistance welding and inert gas welding may be used with precautions to avoid
strain cracking upon cooling. Alloy 2219 is best for a filler rod.
Solution heat treatment is done at 1000 F
followed by a cold water quench (T4 condition).
Hot forging may be done providing the finished
product is given the aging heat treatment to restore corrosion resistance.
Hot working should be avoided unless it is
feasible to give the finished product the aging heat treatment after all hot
working is done. Otherwise the corrosion resistance will be adversely
Cold working by conventional means is readily
Solution annealing is done at 1000 F for
adequate time to allow thorough heating, followed by a cold water quench.
The alloy is aged at 375 F, after first doing
the solution anneal at 1000 F and water quench, for varying time. For product
forms such as forgings the 375 F aging is for 18 hours and for sheet, or plate
(up to 2" thick) it is 375 F for 36 hours followed by air cooling in each
This alloy is hardened (strengthened) by an
aging heat treatment or by controlled cold working from the solution annealed
condition. See "Heat Treatment" and "Aging".
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