Anti-corrosion coating for 409 Stainless Steel
07-06-2008, 12:53 PM,
#1
Anti-corrosion coating for 409 Stainless Steel
Hi Everyone,
We have a corrosion issue with 409 Stainless Steel casings in a coastal environment. Could anything be done - would a Zinc coating be OK on this material?
Thank you for any insight or assistance.
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07-06-2008, 11:38 PM,
#2
RE: Anti-corrosion coating for 409 Stainless Steel
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07-07-2008, 10:51 AM,
#3
RE: Anti-corrosion coating for 409 Stainless Steel
Not 100% sure about the specific corrosion type that you will be getting on 409 stainless but typically, coastal corrosion and duplex stainless corrosion areas are coated with Aluminium.

For standard carbon steel coastal application, aluminium is a bit more predictable than zinc and therefore is commonly used on oil platforms etc.

For duplex stainless applications, aluminium us used on platforms etc, to prevent crevice corrosion where there is not enough oxygen to get the stainless reacting.

Hope this helps.
Stuart Milton
Metallisation Ltd
https://www.metallisation.com
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07-07-2008, 03:51 PM,
#4
RE: Anti-corrosion coating for 409 Stainless Steel
Hi GlenB

409 Question had to google that as it was not in my handbook Ashamed0002 11%Cr ferritic stainless steel. I'm with Stuart, I would try out aluminium.


Hi engr.ahmed

Sign0016 to the Surface Engineering Forum.

Not sure your post helps GlenB with his question, but probably helpful to those looking for engineering articles. May be best posted as a new thread or in http://www.gordonengland.co.uk/sef/resou...-f-14.html
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07-07-2008, 10:49 PM,
#5
RE: Anti-corrosion coating for 409 Stainless Steel
Thank you Gentlemen,
I know that 409 exhaust systems are 'Aluminized'.

Kaif halak engr.ahmed!
Thank you, some great resources in there - I got lost for a little while!

Thanks
GlenB
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07-24-2008, 10:57 PM, (This post was last modified: 02-13-2010, 06:55 PM by tonysemple.)
#6
RE: Anti-corrosion coating for 409 Stainless Steel
GlenB Wrote:Hi Everyone,
We have a corrosion issue with 409 Stainless Steel casings in a coastal environment. Could anything be done - would a Zinc coating be OK on this material?
Thank you for any insight or assistance.

Hi Glen
We are the UK and EU distributor of a stainless steel coating that will protect your steel
We supply Yuanda and major civil engineering companies world wide and are experiencing a large demand at the moment especially in marine enviroment... Dubai is having a lot right now.
See https://www.bromoco.co.uk and click on Industiral coatings / stainless steel EPC7560A
It is simple to apply and provides upto 10 years protection from salt air salt fog, corrosion, oxidization, staining, bird droppings etc
If you would like more details you can email me info@bromoco.co.uk
Look forward to hearing from you. Tony
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