Welding, Flux Core Arc
This type of FCAW (Flux Core Arc Welding) uses a shielding gas that must be supplied by an external supply. This type of FCAW was developed primarily for welding steels. In fact, since it uses both a flux cored electrode and an external shielding gas, one might say that it is a combination of gas metal (GMAW) and flux-cored arc welding (FCAW). This particular style of FCAW is preferable for welding thicker and out-of-position metals. The slag created by the flux is also easier to remove. However, it cannot be used in a windy environment as the loss of the shielding gas from air flow will produce visible porosity (small craters) on the surface of the weld.
Operating factor: The ratio of arc-on time to the total time worked, often expressed as a percentage: A low operator factor is costly.
The data used here came from a combination of comparing Miller Tig Welding Calculator from the internet against data shown on MSC (Modern Steel Construction) web site. The Amperage is closest to the amperage shown on the Miller Calculator.
User Input
1. Select "Material Thickness"
2. Enter "Total Weld Distance"
3. Enter "Number of Passes". The default is "1"
The Final Time is the summation of the Welding Time Plus Operator Factor percentage.
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