序号 | 试样横截面积 S0 (mm2) | 下屈服强度 ReL (Mpa) | 规定塑性延伸强度Rp0.2 (MPa) | 抗拉强度 Rm (MPa) | 断后伸长 (mm) | 断后伸长率 A (%) |
1 | 80.12 | 996 | 998 | 1141 | 7.98 | 15.96 |
2 | 78.38 | 997 | 999 | 1146 | 7.96 | 15.92 |
3 | 78.54 | 981 | 984 | 1139 | 8 | 16 |
4 | 78.22 | 988 | 992 | 1142 | 8.34 | 16.68 |
5 | 78.54 | 992 | 996 | 1147 | 8.56 | 17.12 |
6 | 78.54 | 981 | 984 | 1139 | 8.1 | 16.2 |
7 | 78.22 | 988 | 992 | 1142 | 8.24 | 16.48 |
8 | 80.12 | 996 | 998 | 1141 | 8.13 | 16.26 |
9 | 78.54 | 992 | 996 | 1147 | 8.26 | 16.52 |
10 | 78.38 | 997 | 999 | 1146 | 7.99 | 15.98 |
平均值 | 78.76 | 990.8 | 993.8 | 1143 | 8.16 | 16.31 |
标准偏差 | 0.73 | 6.16 | 5.75 | 3.19 | 0.19 | 0.389 |
相对标准偏差 | 0.92% | 0.62% | 0.58% | 0.28% | 2.33% | 2.39% |