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Paint for mild steel sheet brazing hearth.

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Rod Renshaw09/08/2020 17:54:50
149 forum posts

I noticed a recent thread about painting older galvanised garage doors, and the multiple suggestions for paint schemes. Also that Hammerite,which I have used successfully in the past, no longer seems to be the same product.

What would the team use to get a degree of corrosion resistance on a newly made brazing hearth made of bright mild steel sheet with welded corners which will be stored in a notionally dry, but unheated, garage in the UK? There will be firebricks inside the hearth so the paint will not be exposed directly to the propane torch flame. I don't need a showroom finish but it would be good to think the thing would not look like a rusty mess for at least the first few years.

Rod

HOWARDT09/08/2020 19:25:40
581 forum posts
15 photos

You can get a heatproof paint from Wilikinsons, meant for fires and bbq’s. I use it as a simple cover on bear metal while building my loco. It stands up to a blow torch very well, I have brazed bits after cleaning locally and surprised at how much paint remained close to hot area. Sorry can’t remember the name, it is a spray or tin for brushing.

Phil Whitley09/08/2020 19:27:22
avatar
1250 forum posts
147 photos

I added a canopy to mine and refreshed the original finish which was aluminium primer!

https://www.youtube.com/channel/UCKf0nWnXKXltBjj7MWtdjWA

Edited By Phil Whitley on 09/08/2020 19:35:28

Brian Sweeting09/08/2020 19:37:18
437 forum posts
1 photos

Vehicle exhaust paint, some goes up to 650⁰C.

Anthony Knights10/08/2020 10:18:22
419 forum posts
180 photos

Apologies if this breaks any rules. Just trying to help.

paint.jpg

Rod Renshaw11/08/2020 14:19:08
149 forum posts

Thanks to all who contributed ideas on this.

I have decided to get some of the high temperature exhaust/ manifold paint as recommended by Brian and Anthony.

Rod

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