 | JIS4305（ET） | ASTM A480M | GB/T 4239 | |||||||||
| ＜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 |
