Hot dip coating apparatus

Details Hot dip coating apparatus Hot dip coating apparatus

2011-07-19

2011-07-19

Lamb, Brenda A (Department: 1713)

Coating processes

Immersion or partial immersion

Metal base

C118S419000, C118S423000

Reexamination Certificate

active

07981480

ABSTRACT:
Hot dip coating apparatus for coating a steel strip in an Al—Zn alloy bath comprises components that are made from stainless steel containing an appreciable amount of nitrogen distributed substantially uniformly through its microstructure. The nitrogen is incorporated into the stainless steel as an alloy additive and improves the steel's corrosion resistance and minimizes pitting and thinning of the component when immersed in the metal bath for extended periods.

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patent: 6284062 (2001-09-01), Nagashima et al.
patent: 07-278754 (1995-10-01), None
patent: 11294478 (1999-10-01), None
patent: 2000054095 (2000-02-01), None
patent: 2001207247 (2001-07-01), None

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