However, this ratio can vary depending on the type of welding you are doing and the material you are welding.
Here's a breakdown:
* Neutral flame: This is the most common flame used for welding, and it requires a 1:1 ratio of oxygen to acetylene. This flame produces a blue cone with a small white inner cone.
* Carburizing flame: This flame is used for welding low-carbon steels and requires a higher percentage of acetylene. The flame has a long, feathery inner cone and a yellowish outer cone.
* Oxidizing flame: This flame is used for welding high-carbon steels and requires a higher percentage of oxygen. The flame has a short inner cone and a blue outer cone.
It's important to use the correct gas mixture for the job to ensure proper weld quality and avoid damaging the workpiece.