Tolerances * Standard tolerances Additional limitations of the tolerance range are available on demand. Tolerances according to EN ISO 1127 Outer diameter tolerances Wall thickness tolerances Tolerance class Permissible tolerances Tolerance class Permissible tolerances D1 +/- 1.50 % with min. +/- 0.75 mm T1 +/- 15.00 % with min. +/- 0.60 mm D2 +/- 1.00 % with min. +/- 0.50 mm T2 +/- 12.50 % with min. +/- 0.40 mm D3* +/- 0.75 % with min. +/- 0.30 mm T3* +/- 10.00 % with min. +/- 0.20 mm D4* +/- 0.50 % with min. +/- 0.10 mm T4 +/- 7.50 % with min. +/- 0.15 mm Tolerances according to DVGW-Worksheet W 541 for tubes for drinking water Outer diameter Wall thickness Outer diameter Wall thickness Dia. [mm] Tolerance [mm] WT [mm] Tolerance [mm] Dia. [mm] Tolerance [mm] WT [mm] Tolerance [mm] 12.00 +/- 0.10 1.00 +/- 0.10 42.00 +/- 0.21 1.50 +/- 0.10 15.00 +/- 0.10 1.00 +/- 0.10 54.00 +/- 0.27 1.50 +/- 0.10 18.00 +/- 0.10 1.00 +/- 0.10 64.00 +/- 0.32 2.00 +/- 0.15 22.00 +/- 0.11 1.20 +/- 0.10 76.10 +/- 0.38 2.00 +/- 0.16 28.00 +/- 0.14 1.20 +/- 0.10 88.90 +/- 0.44 2.00 +/- 0.17 35.00 +/- 0.18 1.50 +/- 0.10 On demand: special geometries Tolerances according to DIN 28181 for heat exchanger tubes Permissible diameter deviations Permissible wall thickness deviations Dia. [mm] Tolerance class 1 [mm] Tolerance class 2 [mm] Dia. [mm] WT ≤ 2 [mm] WT > 2 [mm] 16 +/- 0.10 +/- 0.30 16 +/- 0.20 +/- 0.10 % 20 +/- 0.10 +/- 0.30 20 +/- 0.20 +/- 0.10 % 25 +/- 0.12 +/- 0.30 25 +/- 0.20 +/- 0.10 % 30 +/- 0.15 +/- 0.30 30 +/- 0.20 +/- 0.10 % 38 +/- 0.20 +/- 0.40 38 +/- 0.20 +/- 0.10 %

Outer diameter tolerances Wall thickness tolerances ... · Tolerances according to DIN 28181 for heat exchanger tubes Permissible diameter deviations Permissible wall thickness deviations

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Tolerances

* Standard tolerances

Additional limitations of the tolerance range are available on demand.

Tolerances according to EN ISO 1127Outer diameter tolerances Wall thickness tolerancesTolerance class Permissible tolerances Tolerance class Permissible tolerancesD1 +/- 1.50 % with min. +/- 0.75 mm T1 +/- 15.00 % with min. +/- 0.60 mmD2 +/- 1.00 % with min. +/- 0.50 mm T2 +/- 12.50 % with min. +/- 0.40 mmD3* +/- 0.75 % with min. +/- 0.30 mm T3* +/- 10.00 % with min. +/- 0.20 mmD4* +/- 0.50 % with min. +/- 0.10 mm T4 +/- 7.50 % with min. +/- 0.15 mm

Tolerances according to DVGW-Worksheet W 541 for tubes for drinking waterOuter diameter Wall thickness Outer diameter Wall thicknessDia. [mm] Tolerance [mm] WT [mm] Tolerance [mm] Dia. [mm] Tolerance [mm] WT [mm] Tolerance [mm]12.00 +/- 0.10 1.00 +/- 0.10 42.00 +/- 0.21 1.50 +/- 0.1015.00 +/- 0.10 1.00 +/- 0.10 54.00 +/- 0.27 1.50 +/- 0.1018.00 +/- 0.10 1.00 +/- 0.10 64.00 +/- 0.32 2.00 +/- 0.1522.00 +/- 0.11 1.20 +/- 0.10 76.10 +/- 0.38 2.00 +/- 0.1628.00 +/- 0.14 1.20 +/- 0.10 88.90 +/- 0.44 2.00 +/- 0.1735.00 +/- 0.18 1.50 +/- 0.10 On demand: special geometries

Tolerances according to DIN 28181 for heat exchanger tubesPermissible diameter deviations Permissible wall thickness deviationsDia. [mm] Tolerance class 1 [mm] Tolerance class 2 [mm] Dia. [mm] WT ≤ 2 [mm] WT > 2 [mm]16 +/- 0.10 +/- 0.30 16 +/- 0.20 +/- 0.10 %20 +/- 0.10 +/- 0.30 20 +/- 0.20 +/- 0.10 %25 +/- 0.12 +/- 0.30 25 +/- 0.20 +/- 0.10 %30 +/- 0.15 +/- 0.30 30 +/- 0.20 +/- 0.10 %38 +/- 0.20 +/- 0.40 38 +/- 0.20 +/- 0.10 %