Cutting gas bottle, welding cast!

[organicguy]

Sanitary trap on very old vacuum tanker plastic rot.
Unlikely to find replacement.
Thought weld gas bottle onto cast ring to make new bucket.
How many times to wash out gas bottle before cutting?
Tips for welding ring to bottle.
Might or stick?

TIA
OG

 

[Lazy Sod]

If there's room on the tanker for it, I've got an aluminium milking machine sanitary bucket.

 

[organicguy]

If there's room on the tanker for it, I've got an aluminium milking machine sanitary bucket.

That's what I hoped I had to replace it but all gone. Can you measure circumference and diameter?
Would be great if fits

 

[suffolksmallholder]

Sanitary trap on very old vacuum tanker plastic rot.
Unlikely to find replacement.
Thought weld gas bottle onto cast ring to make new bucket.
How many times to wash out gas bottle before cutting?
Tips for welding ring to bottle.
Might or stick?

TIA
OG

I made a number of ‘gas-bottle’ stoves many years ago.
Once I had unscrewed the brass nozzle and filled it with water a number of times I felt safe to cut it with the angle grinder.

I can and have welded cast-cast and obviously steel-steel but never cast-steel.
I would suggest brazing steel-cast as IMO this would be much easier, IF you have oxy-acetylene that is.
Or drill & bolt.
SS

 

[Welderloon]

PM'd you

 

[Lazy Sod]

That's what I hoped I had to replace it but all gone. Can you measure circumference and diameter?
Would be great if fits

I'll measure it up tomorrow.

 

[organicguy]

I'll measure it up tomorrow.

Thanks

 

[pail of ale]

I have herd washup liquid in the water helps get rid of the gas after I stuck the water hose in a cylinder letting the water run, left it full over night, tipped it and filled again and it still gave a little flash when i put the welder to it. Be careful.

 

[Wisconsonian]

Fill it to the top and cut the top off that way.

Nickle stick welding rod works. "Nomacast" if you can get it is cheaper. 308 SS stick welding rods work good also. Weld it in a few spots, just enough to hold it together, then use silicone or epoxy to seal it.

 

[Lazy Sod]

The dimensions of the bucket, @organicguy.
OD: 34cm
H:33cm
OD of rim: 19.5cm

 

[organicguy]

Outside diameter of my rim is 18.2, internal is 17 cm. I need the internal of yours to be less than 18 to get a seal.
If it will seal how much do you want for it?

 

[Lazy Sod]

If you think that it would fit, an appropriate donation that I would pass onto the Wiltshire Air Ambulance.

 

[organicguy]

Can you measure internal please

 

[Lazy Sod]

The hole is slightly oval, so it's 18cm one way and 17.5cm the other.

 

[organicguy]

That sounds like it will fit.
PM sent.
I have welded up the gas bottle but its bl***dy heavy if it needs taking off.
And there were a couple of little "pings" as I was welding.

 

[Barleycorn]

Word of warning, if you cut up a gas bottle for a chimenea etc make sure you grind any identifying marks off it. I was told by a Calor gas man that if they can identify one of their bottles that has been butchered they charge you the full price of replacement, which is not cheap. You only hire the bottles.