Various usages of gas argon in all kinds of industries

1.Used for arc welding (cutting), magnesium, aluminum, stainless steel and other alloy protective gas
2.It is used in the smelting of steel,aluminum,titanium and zirconium.
3.When argon discharging, there will be a purple glow , and used for lighting technology and fill the fluorescent lamp, photocell, lighting tube etc
4.In the process of wine-making, filler of beer barrels , which can put the oxygen plant displacement, in order to avoid raw materials in the barrel will be oxidized to acetic acid.
5.Heat treatment process is used to instead of nitrogen and ammonia, its effect beyonds nitrogen and ammonia, stainless steel heat treatment using argon protection when bending ,it is not easy to break.

(source:http://www.airseparation-plant.cn/various-usages-of-gas-argon-in-all-kinds-of-industries/)