Deep drawable aluminum sheet or strip

Details Deep drawable aluminum sheet or strip Deep drawable aluminum sheet or strip

1988-04-25

1989-12-12

Dean, R.

Stock material or miscellaneous articles

All metal or with adjacent metals

Surface feature

72365, 148437, B32B 1500

Patent

active

048867136

ABSTRACT:
A deep drawable sheet or strip of metal, preferably aluminum or an aluminum alloy having a surface treated for deep drawing characterized in that the surface has a microroughness, Ra, ranging between about 0.1 and 0.8 .mu.m and a uniform, honeycomb-shaped structure, wherein the honeycomb diameter ranges between about 20 .mu.m and about 200 .mu.m is provided.

REFERENCES:
patent: 4634475 (1987-01-01), Fishcher

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