|
|
SiteMap
|
You are here: home->ama->E05->E.8.2.1.1.A.1
8211
The shielding gases generally used in the Gas Tungsten Arc (GTA) welding of aluminum consist of
| * | A) helium or argon, or a mixture of helium and argon. |
| | B) a mixture of nitrogen and carbon dioxide. |
| | C) nitrogen or hydrogen, or a mixture of nitrogen and hydrogen. |
|
|
|
|