Process and installation for continuous manufacturing of an old

Details Process and installation for continuous manufacturing of an old Process and installation for continuous manufacturing of an old

1985-04-17

1986-11-04

Silverberg, Sam

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

Plural treatments

118419, B05D 506

Patent

active

046205012

ABSTRACT:
The present invention relates to a continuous coating process by a layer of Zn, Al or of a Zn-Al alloy for a cold laminated steel band comprising a heating thermic cycle, followed by a rapid cooling, a tempered coating in the metal bath of coating in fusion, at a temperature from 460.degree. to 500.degree. C., and a subsequent cooling, characterized in that after the tempered coating, the coated steel band is subjected to an over-ageing treatment by maintaining the band at a temperature comprised between 430.degree. and 270.degree. C. during at least two minutes.
This process is carried out in an installation comprising an over-ageing chamber.

REFERENCES:
patent: 4408561 (1983-10-01), Yokoyama

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