Here is a post from a welding forum it s not mine but sheds light on the process.
Oxy acetylene welding thin sheet metal.
See all 26 photos to set the flame open the acetylene valve on the torch body about 1 4 turn and use a.
Welds in sheet metal up to 1 16 in.
Oxy acetylene gas welding brazing and braze welding these are older methods of joining thin metal sections that still have some application in today s world of mostly electric welding.
Oxy fuel or oxy acetylene welding are gas welding procedures that were invented in the early 1900 s.
You described it.
Blow pipe people do this all day long hanging from their toenails off of duct in the stratosphere on blowpipe that is only 20 gauge.
And this welding process is still very popular today mainly because it does not require much equipment and does not require power.
The carbon rod gets red hot and melts the bronze rod just like you re welding with oxy acetylene almost.
1 6 mm thick can be made satisfactorily by flanging the edges at the joint.
In most cases they will prove inferior in one or more of several ways to electric welding approaches.
Oxy acetylene welding and sheet metal.
Oxidizing excess oxygen to acetylene burning ration with on acetylene feather and makes a harsh hissing sound least used because it oxidizes metal but is used for braze welding with a bronze rod neutral x burns equal amounts of oxygen and acetylene and has a clean clean edged inner cone the most used flame for oxyacetylene applications.