等温时间 | Rp0.2/MPa | Rm/MPa | A50/% | Rp0.2/Rm | n值 |
7 | 366 | 618 | 27.5 | 0.59 | 0.18 |
9 | 338 | 586 | 31.0 | 0.58 | 0.20 |
GB/T 20887.3-2010 | 330~470 | ≥580 | ≥22 | - | ≥0.14 |