 | JIS4305（EW） | ASTM A480M | GB/T 4239 | |||
| ＜0.60 | ≥0.60-1.00 | ＜0.38 | ≥0.38-1.00 | ＜0.50 | ≥0.50-1.00 | |
| ＜10 | - | - | - | - | - | - |
| ≥10-80 | ±0.15 | ±0.20 | ±0.127 | ±0.127 | ±0.15 | ±0.20 |
| ≥80-160 | ±0.15 | ±0.20 | ±0.127 | ±0.127 | ±0.20 | ±0.010 |
| ≥160-280 | ±0.20 | ±0.25 | ±0.254 | ±0.254 | ±0.20 | ±0.25 |
| ≥260-400 | ±0.25 | ±0.25 | ±0.254 | ±0.254 | ±0.25 | ±0.30 |
| ≥400-600 | ±0.30 | ±0.30 | ±0.406 | ±0.406 | ±0.30 | ±0.30 |
