Aluminum alloy sheet

Details Aluminum alloy sheet Aluminum alloy sheet

1977-04-14

1979-02-20

Dean, R.

Metal treatment

Compositions

Heat treating

75141, 148 2, 148 127A, 148159, C22C 2106

Patent

active

041405560

ABSTRACT:
An aluminum alloy, excellent concurrently in strength and formability, suitably used in car bodies, essentially contains Mg within the range between 3.5 and 5.5%, Zn within the range between 0.5 and 2.0%, and Cu within the range between 0.3 and 1.2%, wherein percents are all by weight; and another still further improved aluminum alloy, excellent concurrently in strength and formability, suitable for similar use, and finer in grain size, indispensably contains all the abovementioned three essential elements in the same ranges of percent by weight, and has optionally added thereto one or more of the elements selected from Mn within the range between 0.05 and 0.4%, Cr within the range between 0.05 and 0.25%, Zr within the range between 0.05 and 0.25%, and V within the range between 0.01 and 0.15%, wherein percents are all by weight.

REFERENCES:
patent: 2245167 (1941-06-01), Stroup
patent: 3794531 (1974-02-01), Markworth et al.
patent: 3935007 (1976-01-01), Baba et al.
patent: 3993476 (1976-11-01), Kolke

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