Unit of measurement of electrical current
When the current flows from the electrode to the base metal
A flame resulting from combining oxygen and fuel gas
Gray color coded tungsten
The ability of a material to resist pulling forces; measurement of the amount of force required to pill metal apart
Blue color coded tungsten
A gas, usually inert, that is used to blanket the weld area and prevent contamination from the air
When the current flows from the base metal to the electrode
The process of cutting a groove in the surface of of a piece of metal, using an oxyfuel gas or arc cutting outfit
A colorless flammable liquid used to stabilize acetylene
Easily ignited materials such as wood, paper, rags, and flammable liquids
The direction of the flow of electrons in a closed welding current
The metal to be welded, cut, brazed, or soldered
Type of electrode used in GTAW
The ability of a material to withstand applied loads without failure
One of the fundamental parts of an atom. to carries a negative charge
The Occupational Safety and Health Administration
The slot or opening produced in the metal when cutting
A material used to prevent, dissolve, or facilitate removal of oxides and other undesirable surface substances