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Nominal diameter (mm) | Allowed tolerance (mm) | Tensile strength (Mpa) | Elongation (%) | Relaxation | |
Initial stress Of % tensile strength | Loses of stress 1000 hours not more than % | ||||
Ⅱ | |||||
4.00 | ±0.05 | 1470 1570 1670 1770 1860 | 3.5 | 70 | 2.0 |
4.80 | 70 | 2.0 | |||
5.00 | 70 | 2.0 | |||
6.00 | 1470 1570 1670 1770 | 70 | 2.0 | ||
6.25 | 70 | 2.0 | |||
7.00 | ±0.10 | 70 | 2.0 | ||
8.00 | 1470 1570 | 70 | 2.0 | ||
9.00 | 70 | 2.0 | |||
10.00 | 1470 | 70 | 2.0 | ||
12.00 | 70 | 2.0 |