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Flange weight calculator

Approximate weight of a plate or slip-on flange from its dimensions.

Pick an ASME B16.5 flange (optional)

Outside diameter (mm)

Bore (mm)

Thickness (mm)

Number of bolt holes

Bolt hole diameter (mm)

Quantity

Material

How it's calculated. Treats the flange as a flat ring minus the bolt holes. Weld neck hubs and raised faces add weight — use this as an estimate.

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