Welcome to UKWelder Welding Caps Welding Helmets Pioner Overalls Welding Gloves
UKWelder Shop
Welding Hoods Welding Leathers Welding Helmet Spares Welding Boots

Welcome Guest ( Log In | Join the Forum )

Reply to this topicStart new topic
> aluminium boat fuel tanks
post May 15 2018, 08:19 AM
Joined: 6-Feb 07

I am having to make some large fuel tanks for a boat, ( 600 litre) what is the chosen grade of Aluminium and a preferd compatible tig rod.
Technic Al
post May 15 2018, 05:46 PM
Joined: 14-Oct 03

I believe Aluminium (whatever grade) is not recommended for diesel tanks. Im no expert but I think its a corrosion issue. I should look into it before you spend any time and money.
I may be wrong but its better to be forewarned
post May 15 2018, 06:21 PM
Joined: 6-Feb 07

Thanks Al, but it is used widely for marine fuel tanks, having done a bit of research already and looked at Aalco site they give this info http://www.aalco.co.uk/datasheets/Aluminiu...-Plate_149.ashx
But it would be good to speak to someone who can give some tips and advice, on putting baffles/ strengthener in etc.
Technic Al
post May 16 2018, 11:16 AM
Joined: 14-Oct 03

it doesnt mention diesel tanks

I found an article in a yachting magazine but it wont allow me to post it. They were saying polypropylene or stainless is the best choice.
Google it
post May 16 2018, 08:24 PM
Joined: 6-Feb 07

Thanks for Input Al, I too have done a fair bit of research, and there is a degree of conflict, that said if the material used is marine grade 5083 in theory it should be fit for purpose, I do know that it is used, and if correctly wired to a sacrificial anode that it will decelerate the corrosion factor.

The originals were mild steel ( painted) and (heavy) but have lasted 60 years... maybe thats the way to go.

I priced up the Ally today and its around the 500 mark
Go to the top of the page
Start new topicGo to the top of the page
Click on the Lion to return to the homepage Click on the Lion to return to the homepage