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Hob with alloy teeth
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Hard alloy
Hob with alloy teeth
SG10/SG11: This grade series is primarily used in various infrastructure projects, including bridge construction, subway development, and ventilation shafts. Compared to similar products on the market, our company’s grade series offers the advantages of consistent performance and versatile applicability. It is now widely employed in export-oriented products.
| Grade | Cobalt content: Cobalt (%) ±0.5 |
Density: 0.1 g/cm³ ± | Hardness (HRA) ±1.0 |
Tensile Resilience Strength TRS (MPa) | Recommended Application Introduction |
| SG10 | 10 | 14.4–14.6 | 87.0–88.1 | 2400 |
Application areas: Cutters used in engineering, coal mining, and other fields. Applicable rock layers: Hard rock formations and structurally complex rock layers. |
| SG11 | 11 | 14.3–14.5 | 86.5–87.6 | 2500 |
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