级别 U.S(SI) | 抗拉强度 ksi(MPa) |
55 (380) | 55-75 (380-515) |
60 (415) | 60-80 (415-550) |
65 (450) | 65-85 (450-585) |
70 (485) | 70-90 (485-620) |
性能 厚度(mm) | Rm MPa | Rp0.2 MPa | A % | -30℃AKV横向J | ¥z % | 硬度 HB |
标准 | 450-585 | ≥230 | ≥23 | ≥34 | ≥35 | ≤200 |
>8-40 实测 | 476-530 | 307-350 | 27-36 | 108-289 | 66-75 | 143-155 |
>90-165 | 475-540 | 312-369 | 31-38 | 91-256 | 45-68.5 | 163-187 |
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