Jiangsu Shengyilu Metal Material Co., Ltd.
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| Working method | Range | ID size | Tolerance | ||||||
| ID Tolerance | WT | Ovality | Curvature | ||||||
| H8 | H9 | H10 | |||||||
| cold drawn | 25-250 | >30-50 | +0.039 0 | +0.062 0 | +0.100 0 |
±5% to 7.5% ID>210mm ±10% |
≤0.10-0.20 |
0.3 | |
| cold rolling | 25-150 | >50-80 | +0.046 0 | +0.074 0 | +0.120 0 | ||||
| cold-drawn-honed | 40-250 | >80-120 | +0.054 0 | +0.087 0 | +0.10 0 | ||||
| cold drawn-SRB | 50-250 | >120-180 | +0.063 0 | +0.100 0 | +0.160 | ||||
| cold drawn-polish | 40-250 | >180-250 | +0.072 0 | +0.115 0 | +0.185 0 | ||||
| polish-SRB | 50-250 | other size and technique parameter upon request | |||||||
