Thread: Welding gas advice needed
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23-04-2019 #1
I have a little Walkover set for light brazing/welding, but it costs a lot to run. The disposable Oxygen canisters cost £30 and last about 20 minutes. The fuel gas costs the same but lasts 2 to 4 times longer. For the price of 6 cans of Oxy, I can get an oxygen concentrator and refillable 2L cylinders of propylene are £26 a fill. So that seems a good way to go. One Google group making bike frames, report success with an oxycon and propane for brazing. As I have a cylinder of propane already, that may be the way I go. I have discounted acetylene for safety reasons.
Oxy/acetylene gives a flame of (up to) 3500C and Oxy/propylene 2900C, Oxy/propane 1900C. I can't find any figures for MAPP gas or equivalents like MAP-X or Turbogas. (MAPP is now not available anyway).
I would welcome advice, before I spend on an oxycon http://tuffnellglass.com/contents/en...centrator.html
Cheers,
Rob-T
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