The relationship of cu. ft. of oxygen to cu. ft. of fuel gas mixture necessary to achieve maximum flame temperature. This ratio varies with fuel characteristics.
Welding Tech
An oxy-fuel gas flame having an oxidizing effect (excess oxygen).
The protrusion of weld metal beyond the weld toe or weld root.
Welds made in positions other than flat or horizontal fillets.
A gas directed into the torch to surround the electrode, which becomes ionized by the arc to form a plasma and issues from the torch nozzle as a plasma jet. (Also referred to as plasma gas or cutting gas).