Aluminum sheet having improved weldability

Details Aluminum sheet having improved weldability Aluminum sheet having improved weldability

1982-01-25

1984-07-17

Dean, R.

Metal treatment

Stock

Aluminum base

148439, 148440, C22C 2100

Patent

active

044604181

ABSTRACT:
In order to improve the weldability of aluminum strip or sheet by spot welding and to promote the use of these materials, in particular in the bodywork of automobiles, the strip or sheet, after being hot and cold rolled to an intermediate thickness of 1.5 to 2.5 times the final gauge, is etched in an alkaline solution, then cold rolled to final gauge using cold rolling lubricant and finally, if desired, heat treated.

REFERENCES:
patent: 4093474 (1978-06-01), Sperry et al.

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