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Old 29 July 2019, 12:35   #1
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Powercoating

Hi All,

Looking to have a black A frame made, I assume the ones I have seen are powder coated ?

Is the best material to use still stainless or could I use aluminium ?

Thanks John
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Old 29 July 2019, 13:17   #2
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Originally Posted by john_c View Post
Hi All,

Looking to have a black A frame made, I assume the ones I have seen are powder coated ?

Is the best material to use still stainless or could I use aluminium ?

Thanks John
i had two seat bases in ali powder coated spot on
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Old 29 July 2019, 16:29   #3
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If you were going to make it in stainless it would be sacrilege to powder coat and not polish it!
Aluminium is usually the material used for powder coating
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Old 29 July 2019, 16:35   #4
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Yea I think jambo had stainless with a coating which peeled off
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Old 29 July 2019, 17:24   #5
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I have some stainless seat bases that are powder coated. Done professionally but they did struggle a little with contamination and did them 3 times. Been good for 3 or 4 years now. The guy at the powder coaters said powder coating was not waterproof and salt water will eventually penetrate it if it’s under water or heavily exposed.
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Old 30 July 2019, 08:36   #6
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I have a black powder coated A-frame and love it!...Goes well with a Black Rib!...I had mine done before it was polished...which is a very labour intensive processes in itself!!!
Especially on a large Double.
The fabricator/maker who I know personally was more than happy to powder coat!..The BIG thing is to SHOT BLAST and 100% degrease the SS to form a good "key" before Powder coating
PM me if you want details....but yeah it works well if done properly
Not sure but I'd think Alloy may be just as easy...or easier.
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Old 30 July 2019, 13:51   #7
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Thanks for all the replies, really useful.

Will go ahead with an ally A frame,

John
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Old 30 July 2019, 15:44   #8
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Just one thing i would tell of is my highfield had a powder coated a frame and was spot on ,with one exception ,during the manufactur a ready made ally rope cleat had been welded on each side (perfect idea ) ,and it must have been a different grade of ally as the thing was acting like a sacrificial anode ...... you can see this on virtually all the grey highfield a frames
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Old 30 July 2019, 21:58   #9
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Powdercoating does not hold up well long term in a marine environment. Seen many a nice boat with blistered metal work with powdercoating peeling. I have had all my recent stuff painted with a commercial epoxy primer then a marine epoxy finish and it is super tough.
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