Calculate Tonnage

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How to Obtain Tonnage Required for Punching Round Holes

Formula: TONNAGE IN MILD STEEL = 3.1416 X DIAMETER OF HOLE X MATERIAL THICKNESS X 25
Example: 3.1416 X 2.000 X .250 X 25 = 39.26 TONS

How to Obtain Tonnage Required for Punching Shaped Holes

Formula: TONNAGE IN MILD STEEL = PERIMETER X MATERIAL THICKNESS X 25
Example: (2 + 2 + 2 + 2) X .250 X 25 = 50 TONS

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