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Ted Mooney, P.E. RET
Pine Beach, NJ

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Need blue coating (oxide) on stainless steel to withstand 450 °F

Q. I am looking for a fluorescent blue coating on stainless steel that can withstand 450 °F in an adhesive environment. Prefer an oxide, powder coating is too thick for the .005" wire diameter, not a decorative application.

Russ Beemer
engineer - Irvine, California, USA
2004

A. Stainless steel can be heat tinted, 540 -600 °C temp. (blue to dark blue). PC controlled kiln is best heat source. If heat treatment are not good for your objects same colours can be produced by anodizing(or chemically).

Good luck! (according to Dettner/Elze:Handbuch der galvanotechnik [occasionally avail. from eBay, AbeBooks, or Amazon affil links], Muenchen 1969.)

Goran Budija
- Cerovski vrh Croatia

a You can colorcode using thin dye's or inks that hold up to high heat.

James K Barnes
Scott Metal Finishing - Bristol, Connecticut, USA

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