Research Article
Investigation on the Crack Initiation of V-Shaped Notch Tip in Precision Cropping
Table 1
Chemical compositions of 45 steel bar material.
| Chemical compositions | Values |
| C/% | 0.37~0.52 | Mn/% | 0.51~0.81 | Si/% | 0.28~0.48 | S/% | 0.01~0.029 | P/% | 0.017~0.044 |
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