Protecting mild steel

Protecting mild steel

This topic has 9 replies, 9 voices, and was last updated 18 August 2019 at 14:21 by Phil H1.

Viewing 10 posts - 1 through 10 (of 10 total)

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17 August 2019 at 10:05 #33438
BOB BLACKSHAW 1
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@bobblackshaw1
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17 August 2019 at 10:05 #424649
BOB BLACKSHAW 1
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@bobblackshaw1
I've finished a grasshopper engine and need to rust protect the mild steel parts, I don't want to paint it as I don't get good results with this.

I'm thinking of heating the parts and dipping in oil, or any other suggestions please.

Bob.
17 August 2019 at 15:07 #424691
Thor 🇳🇴
Participant
@thor
Heating and dipping in oil can give a nice black finish. I usually use linseed oil on a small piece of cloth, heat the part and apply the oil until I get the finish I want. In my experience this will give some rust protection, especially if you wipe a bit of oil onto the parts occasionally.

Thor
17 August 2019 at 15:29 #424693
Former Member
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@formermember19781
[This posting has been removed]
17 August 2019 at 15:34 #424694
duncan webster 1
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@duncanwebster1
Glass/plastic case with a bag of desiccant inside, keeps the dust off as well
18 August 2019 at 12:33 #424845
Ian S C
Participant
@iansc
Very little paint used on my hot air motors that are stored in my uninsulated workshop, rarely is there ever a problem with rust. I haven't, but I have heard of aerosol hair spray being used as a rust preventitve, it's not hard wearing, but OK on items that are not handled much.

Ian S C
18 August 2019 at 12:42 #424850
mechman48
Participant
@mechman48
… 'I have heard of aerosol hair spray being used as a rust preventive' …

Used this myself over the years, nowadays I use clear lacquer spray available from any DIY/Hardware/ motor shops, hard wearing as it's made for car paintwork coating.

George.
18 August 2019 at 13:38 #424859
Paul Lousick
Participant
@paullousick59116
Lanonin is a good surface protector for polished metal parts of an engine if you want to keep the shiny silver finish.

Paul,
18 August 2019 at 14:07 #424865
J Hancock
Participant
@jhancock95746
From tests carried out in ME from long ago, ' Three-in-one' oil was way ahead of anything else.
18 August 2019 at 14:21 #424868
Phil H1
Participant
@philh196021
I have just removed the tarnish off a small steam engine and coated the parts in metalguard as Bill has done. One of steel parts is flame blued for a nice contrast.

I quite like bare or blued steels. A huge number of sins can be covered up with filler and paint.

Phil H
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