Propane torches are categorized as air fuel torches because they use a mixture of propane gas and oxygen.
Welding sheet metal with a torch.
Use a welding rod to add additional material to the weld if additional metal is needed to fill the gap.
Adjust your flame and begin to carefully move the torch over the area to be welded.
This technique employs torch mig or even tig welding to join two sections together one on top of the other by welding through the top thickness of metal and into the surface of the metal under it.
A 5356 filler metal also works for 5052 materials specifically.
Move the torch faster and or reduce the amp setting of the welder and the lower the wire speed.
I used to have a smith torch but i ended up buying an airco.
A propane torch makes welding safe simple and efficient.
Move at an even pace in order to see your results.
If you hold the flame too closely to the material for too long a period you will create holes in the material.
Weld and cut in one kit with this torch from eastwood that s made in the u.
The second technique is to use basic intermittent welding.
Using a thinner wire 0 30 instead of 0 35 will also help.
This must be accomplished without overheating the whole area and ending up with an unsightly and embarrassing hole through both pieces.
These are all little areas of welding a panel or sheet metal that you have to think about.
It s a great torch.
Apply the flame to your weld.
Filler metals for either of these would be 4043 or 4943.
You could say it s like stitch welding as well but with stick welding your torch is usually at a 90 degree angle to your base metal but when welding sheet you are going to be holding your torch at about 45 degrees so that you can see what you are doing.
To prevent burn through and warping don t whip or weave the torch.
If you do not weld often or are concerned with the environmental impact of your practice propane torches can serve you well as they are inexpensive clean burning and recyclable.
Oxy fuel welding torches.
Techniques for welding sheet metal.
Typical aluminum alloys for sheet fabrication are 3003 and 5052.
The more time the arc is in an area the hotter it becomes.
Learn the tricks to gas welding aluminum sheet metal with mike from cobra torches.
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But now i use henrob dhc 2000.