Details
| STEEL GRADE | CHEMICAL COMPOSITION(%) | Rel/Rp0.2Mpa | Rm Mpa | A% | Z% | KU2/J | ||||||||||
| C | Si | Mn | P | Cr | Ni | Cu | Mo | W | V | Ti | ||||||
| 40Cr | 0.40 | 0.22 | 0.68 | 0.21 | 0.85 | 0.015 | 0.25 | 0.00 | 0.003 | 0.005 | 0.005 | 840 | 1030 | 13 | 55 | 70 |
Material Testing Report: Average Data from Tested 5 batchs within half year(5 months different 5 batches 40Cr Steel)
Other Note：Rel/Rp0.2Mpa means yield strength
Rm Mpa means tensile strength
A% means elongation after broken
Z% means frontal area shrinkage rate
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Dipper tooth
Toothholder
Knife angle plate
Toothed pin&bolt
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