Grand Sea The super hard carbide round rod produced by the super fine particle RTP raw material, which is independently developed by Grand Sea. The ultrafine carbide rod is used to process various super hard cutting tools, has excellent wear resistance and stability.
We have developped Ultrafine grade Carbide Rods for Super Hard Cutting Tools, such as our grade H09U, H12U-T.
Grand Sea Grade Recommandation
| Grade | WC % | CO % | Grain size (um) | Density (g/cm³)±0.1 | Hardness (HRA)±0.5 | TRS (kgf/mm²) |
| H09U | 91 | 9 | 0.3 | 14.5 | 93.7 | >350 |
| H12U-T | 88 | 12 | 0.3 | 14.2 | 93 | >350 |








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