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聊城开发区大东好色先生APP官方正版下载链接城A2号| 无缝好色先生APP官方正版下载链接种类 | 好色先生APP官方正版下载链接尺寸 mm | 允许偏差 | |||
| 普通级 | 高级 | ||||
| 热轧管 | 外径D | ≤ 159 | ± 1.0% （最小值为± 0.5mm ） | ± 0.75% （最小值为± 0.3mm ） | |
| ＞ 159 | ± 1.0% | ± 0.90% | |||
| 壁厚S | ＜ 3.5 | + 15% （最小值为 + 0.48mm - 10% - 0.32mm ） | ± 10% （最小值为± 0.2mm ） | ||
| 3.5~20 | +15%-10% | ±10% | |||
| ＞ 20 | D ＜ 219 | ± 10% | ±7.5% | ||
| D ≥ 219 | +12.5%-10.0% | ±10% | |||
| 冷拔管 | 外径D | ≤ 30 | ± 0.20mm | ± 0.15mm | |
| ＞ 30~50 | ± 0.30mm | ± 0.25mm | |||
| ＞ 50 | ±0.8% | ±0.6% | |||
| 壁厚S | 2~3 | +12%-10% | ±10% | ||
| ＞ 3 | ±10% | ±7.5% | |||