Draw Force Calculator (circular part)

Click here for a description of the calculator

Instructions: Input values in the blue boxes. Click here for yield strengths. Note: This provides an estimate of the tonnage necessary to draw form a circular part. Actual tonnage should be confirmed with the manufacturer of the die.
Yield Strength (PSI)
Material Thickness (inches)
Draw Diameter (inches)
Blank Diameter (inches)
Drawing Factor
Holding Tonnage
Estimate *
Tonnage Required (Draw Tonnage)
Total Tonnage
* Holding or cushion tonnage is estimated at 1/3 of draw tonnage. Actual tonnage will vary as required to achieve a quality part.