Normally, acetylene, which is a colorless gas, C2 H2, that smells like ether
farting gas:)
The gas that is used for welding is a pure hydrocarbon compound (C2H2).
Oxygen is used as active gas during MIG welding, spray transfer. It increases penetration and travel speeds. It is used only is small amounts though ususally 1%-5%. +++ The question mentioned "gas" welding, not any form of electric-arc process, and in oxy-acetylene and oxy-hydrogen welding the oxygen is necessary to raise the fuel-burning temperature to above the melting-point of steel.
Depends on what you think of as normal welding. Gas welding use oxygen-acetylene. MIG/TIG use Argon. MAG, use an argon-something mix. Depending on what materials you are welding, there are some more options tha might be used.
Oxy-Gasoline is an effective fuel and is very good when traditional gas bottles are not available. Hydrogen is a good fuel when welding aluminium but is not used when welding steel because it damages the steel. Propane, butane and butane/propane mixes are also used.
oxygen and acetylene gas Argon gas is used in MIG and TIG welding
What type of welding can we use LPG ?
Some methods are used: - electron beam welding - laser beam welding - gas wolfram arc welding - gas metal arc welding - resistence welding - brazing
farting gas:)
why oxyacetylene filler rods cannot be used for gas tungusten ar welding
TIG welding uses Argon.
If by gas welding you mean-oxyacetylene welding. The difference is just that arc welding requires a darker shade of lens. When oxyfuel gas welding (OFW) usually a shade 5 lens is recommended. When arc welding, a minimum of shade 10 lens should be used (actually shade should be determined by amount of current used).
API 1104 & asme B31
what are gas welding limitation
Gas welding & Friction welding. Souvik Kumar Dey
When MIG welding STEEL a mixture of Argon -- CO2 is used. 75% - 25%
As an inert gas, it shields the weld from oxygen and corrosion during the melting process. Tig welding means "through inert gas".