The formula to calculate the Heat Input (Hi) is:
\[ Hi = \frac{A \cdot V \cdot s}{L} \]
Where:
A welding heat input is the amount of heat required to weld a piece of material at a certain current, voltage, and speed.
Consider an example where:
Using the formula to calculate the Heat Input:
\[ Hi = \frac{200 \cdot 24 \cdot 60}{10} = 28800 \text{ Joules/inch} \]
This means that the heat input for this example is 28800 Joules/inch.