Alloys or metallic compositions – Aluminum base – Copper containing
Patent
1987-03-06
1989-05-09
Dean, R.
Alloys or metallic compositions
Aluminum base
Copper containing
420533, 420535, 420537, 420538, C22C 2100
Patent
active
048287946
ABSTRACT:
An aluminum core alloy for use in the manufacture of brazed heat exchanger assemblies having high resistance to corrosion and moderate strength. A preferred composition of the aluminum base alloy consists of from 0.13 to 0.22% titanium, from 0.8 to 1.5% manganese, 0.4 to 0.6% copper, up to 0.7% iron, up to 0.3% silicon, up to 0.3% magnesium, with the balance being essentially aluminum and normal impurities. Another preferred composition, which is a modification of the preceding composition, includes 0.3 to 0.6% magnesium.
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Scott Darwin H.
Wade Kenneth D.
Biddison Alan M.
Dean R.
Reynolds Metals Company
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