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About LinkBackscowardOriginally Posted by LoneGohn
I know not to weld a gas tank.
) i do it all the time just fill it with argon
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Member
cowardI know not to weld a gas tank.
) i do it all the time just fill it with argon
Daniel
the only thing one cant do is the thing he doesn't want to do
Miller big 40 deluxe /high freq water cooled tig att
Miller spectrum650
miller sv12
longevity 200d
Lincoln 180c
and enough tools to back it up
all on a 17k lb rolling chassis courtesy of Navistar southern style
Senior Member
Thats not a entirely bright thing to do you know right. Wouldn't ever catch me doing it that way.
Member
its simple science fuel + oxygen+ ignition= boom take one of these parts out of the equation and nothing happens just dont burn any holes below the fuel level
come on live on the edge
the only thing one cant do is the thing he doesn't want to do
Miller big 40 deluxe /high freq water cooled tig att
Miller spectrum650
miller sv12
longevity 200d
Lincoln 180c
and enough tools to back it up
all on a 17k lb rolling chassis courtesy of Navistar southern style
Moderator
I would remove the tank, but people weld with it in all the time. I would NOT take any chances.
keith
The older the Boys, the more expensive the TOYS
Previously Owned equipment;
lot's
Current equipment;
3HP Speedair air compressor, Wilton drill press, Craftsman 10x36 lathe, 10 ton hydrolic press, Portaband band saw, OA torch, Small home brew CNC machine, powered by my 200PI
2 Longevity autodarking helmets
160d MIG
WeldAll 200PI
Senior Member
Yea but oxygen can still get in there is no way of displacing all of the oxygen so it would be a no go for me.
Senior Member
I weld with the tank in but do not like it. I have welded or cut on tanks without issue but again not one of those things I care to do unless last resort.
Senior Member
I weld on cars trucks and boats with tanks in them that I don't care about I just don't weld on the actual tank with fuel in it.
Senior Member
Just dont let sparks get near gas tank. Get welding blankets or something to cover up. If you dont feel safe take it out.
Member
I'd say it depends on what and where you are welding.
I've MIG welded on exhaust pipes, suspension parts, and on body panels with the fuel tank in place without any problems. But I would not weld very near to the fuel tank or any fuel lines. (Or near brake lines either, although for an entirely different reason!)
HTP VersaMIG (purchased 1988)
Systematics MHG8 Spool Gun
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Campbell-Hausfeld 3.2HP 60 Gal Compressor (only single-stage)
Enco 9x20 lathe
Rong-Fu RF-30 Mill/Drill
Grizzly 5x6 Bandsaw
Etc.
Member
It is always safer not to weld gas tanks or around gas tanks if you are not experienced. In short, "Don't Do It!"
The trouble with gas tanks is that they are the most dangerous when they are empty due to air/fuel ratio. If the air/fuel ratio is right then a spark will make them explode with really bad consequences.
A full gas tank will catch fire only burning the vapors that are released.
Welding blankets around the tank are good as previously mentioned, but I would wet them down first for added safety.
If you just have to weld the tank, then remove it from the vehicle, empty it and refill with soapy water before trying to weld it.
Always have a fire extinguisher and someone close by on the look out for fire as a welding helmet will not give you peripheral vision.
200 amp Arc Welder
Oxy Acetylene Gas Set
9" Angle grinder
Swiss Army knife
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