Technical Calculator

ASTM A358 Pipe Tolerances

Calculate outside diameter and wall thickness limits quickly using the selected nominal pipe dimensions.

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ASTM A358

Outside diameter Outside diameter tolerance: ±0.5%

Wall thickness Wall thickness tolerance: −0.30 mm (no specified maximum)

Calculated limits

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Outside diameter Nominal dimension ±0.5%

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Maximum —

Wall thickness Minimum tolerance only (−0.30 mm)

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Maximum —

ASTM A358 specifies a maximum negative wall thickness tolerance of −0.30 mm. No maximum wall thickness tolerance is specified. Confirm the applicable ASTM edition, purchase order and project requirements before manufacture or acceptance.