Table 2 Testing results of reinforcement (SD785 and SD 685).
Type | f y (MPa) | f u (MPa) | Elongation (%) | f u /f y | \( \varepsilon_{y,upper limit} \) |
|---|---|---|---|---|---|
D13-SD785 (base material) | 886 (≧785) | 1095 (≧930) | 12 (≧8) | – | – |
D13-SD785 (Power ring with welding point) | 868 (≧785) | 1104 (≧930) | 11 (≧5) | – | – |
D32-SD685 | 693 (685–785) | 925 (≧860) | 14 (≧10) | 1.33 (≧12.5) | NA (≧0.014) |