304不锈钢方管各标准中尺寸公差
尺寸 标准 |
外径(mm) | 壁厚(%) | 切割长度(mm) | ||||
| 尺寸 | 公差 | 尺寸(mm) | 公差 | 尺寸 | 公差 | ||
| GB/T14975-02 | 10~30 | +0.30/-0.30 | S≤3 | +14/-14 | 1.0~3.0 | +15/0 | |
| 30~50 | +0.40/-0.40 | S>3 | +12/-10 | ||||
| D>50 | +0.9%/-0.9% | ||||||
| GB/T14976-02 | 6~10 | +0.20/-0.20 | 0.5~1.0 | +0.15/-0.15mm | +15/0 | ||
| 10~30 | +0.30/-0.30 | 1.0~3.0 | +14/-14 | ||||
| 30~50 | +0.40/-0.40 | >3 | +12/-10 | ||||
| D>50 | +0.9%/-0.9% | +12.5/-12.5 | |||||
| GB13296-91 | ≤140 | +1.25%/-1.25% | ≤10 | +15/-15 | |||
| >140 | +1%/-1% | >10 | |||||