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This is one of the highest strength aluminum alloys available. Its strength-to-weight ratio is excellent, and it is ideally used for highly stressed parts. It may be formed in the annealed condition and subsequently heat treated. Spot or flash welding can be used, although arc and gas welding are not recommended. It is available in the clad ("Alclad"} form to imrjrove the corrosion resistance with the over-all high strength being only moderately affected.

Specifications: QQ-A-250/12. AMS 4045

Color Marking (Rod and Bar): Ends painted Black
Unit of Measure

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Item #

Thickness

Width

Length

Estimated Weight per Sq. Ft.

Estimated Weight per Plate

.250 x 48 x 144 N/A .250 in N/A 48 in N/A 144 in N/A 3.64 lb N/A 175 lb
.313 x 36 x 96 N/A .313 in N/A 36 in N/A 96 in N/A 5.45 lb N/A 109 lb
.313 x 48 x 144 N/A .313 in N/A 48 in N/A 144 in N/A 5.45 lb N/A 219 lb
.375 x 36 x 96 N/A .375 in N/A 36 in N/A 96 in N/A 5.45 lb N/A 131 lb
.375 x 48 x 144 N/A .375 in N/A 48 in N/A 144 in N/A 5.45 lb N/A 262 lb
.500 x 36 x 96 N/A .500 in N/A 36 in N/A 96 in N/A 7.27 lb N/A 174 lb
.500 x 48 x 144 N/A .500 in N/A 48 in N/A 144 in N/A 7.27 lb N/A 349 lb
.625 x 36 x 96 N/A .625 in N/A 36 in N/A 96 in N/A 9.09 lb N/A 218 lb
.625 x 48 x 144 N/A .625 in N/A 48 in N/A 144 in N/A 9.09 lb N/A 436 lb
.750 x 36 x 96 N/A .750 in N/A 36 in N/A 96 in N/A 10.9 lb N/A 262 lb
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