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HDPE Pipe SDR & PN

Wall thickness, inside diameter, pressure rating and weight for HDPE PE100 / PE80 pipes.

Result

How it is calculated

Wall thickness = OD ÷ SDR. Pressure rating PN (bar) = 20 × σ ÷ (SDR − 1), with design stress σ = 8 MPa for PE100 and 6.3 MPa for PE80. Weight uses 0.955 g/cm³.

Reference values for quick estimates. For orders and invoices, use the standard and the mill test certificate.

Do this inside your quotations QuoteMitra has pipe and plate weight calculators built in. Weights, rates and GST go straight into a professional quotation PDF. See QuoteMitra
FAQ

HDPE Pipe SDR & PN — questions

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SDR 11 in PE100 is PN 16 (16 bar). In PE80, SDR 11 is PN 12.5.

110 ÷ 11 = 10 mm wall, so the inside diameter is about 90 mm.

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