鋼帶厚度允許偏差:
寬度 | JIS4305(ET) | ASTM A480M | GB/T 4239 | |||||||||
厚度 | <160 | ≥160 <250 | ≥250 <400 | ≥400 <600 | >5 ≤25 | >25 ≤76 | >76 ≤150 | >150 ≤300 | >20 ≤150 | >150 ≤250 | >250 ≤400 | >400 ≤600 |
<0.10 | ±0.01 | ±0.020 | - | - | ±10% | ±10% | =10% | ±10% | ±0.010 | ±0.010 | =0.010 | - |
≥0.10-0.16 | ±0.015 | ±0.020 | - | - | ±10% | ±10% | =10% | ±10% | ±0.010 | ±0.010 | =0.010 | - |
≥0.16-0.25 | ±0.020 | ±0.025 | ±0.030 | ±0.030 | ±0.04 | ±0.04 | =0.04 | ±0.40 | ±0.010 | ±0.010 | =0.010 | - |
≥0.25-0.40 | ±0.025 | ±0.030 | ±0.035 | ±0.035 | ±0.05 | ±0.05 | =0.05 | ±0.06 | ±0.020 | ±0.020 | ±0.020 | ±0.020 |
≥0.40-0.60 | ±0.035 | ±0.040 | ±0.040 | ±0.040 | ±0.06 | ±0.06 | =0.06 | ±0.06 | ±0.020 | =0.020 | ±0.020 | ±0.030 |
≥0.60-0.80 | ±0.040td> | ±0.045 | ±0.045 | ±0.045 | ±0.06 | ±0.06 | ±0.06 | ±0.09 | =0.030 | =0.030 | ±0.030 | ±0.040 |