TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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| Tolerance for the width | |||
| Size(mm) | Tolerance(mm) | ||
| General | High Grade | ||
| Width A / B | ≤30 | ±0.30 | ±0.20 |
| >30-50 | ±0.40 | ±0.30 | |
| >50-75 | ±0.80%A | ±0.70%A | |
| ±0.80%B | ±0.70%B | ||
| >75 | ±1%A | ±0.8%A | |
| ±1%B | ±0.8%B | ||
| Tolerance for wall thickness | |||
| Size(mm) | Tolerance(mm) | ||
| General | High Grade | ||
| Width A / B | ≤1.0 | ±0.18 | ±0.12 |
| >1.0-3.0 | +15% WT | +12.5% WT | |
| -10% WT | -10% WT | ||
| >3.0 | +12.5% WT | ±10% WT | |
| -10% WT | |||
