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Nominal diameter (dn) | Toler ance | Diameter | enwall thickness | Toler ance | Roundness | Alumin um wall thickness | Toler ance | Outer minimum thickness | Inner wall thickness | ||
Coil | Straight | Nominal value | Toler ance | ||||||||
16 | +0.30 | 10.9 | 2.3 | +0.50 | ≤1.0 | ≤0.5 | 0.28 | ±0.40 | 0.3 | 1.4 | ±0.1 |
20 | 14.5 | 2.5 | ≤1.2 | ≤0.6 | 0.36 | 1.5 | |||||
25 | 18.5 | 3.0 | ≤1.5 | ≤0.8 | 0.44 | 1.7 | |||||
32 | 25.5 | 3.0 | ≤2.0 | ≤01.0 | 0.60 | 1.6 |
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