7225：Steel turning processing: Wear-resistant and chipping-resistant, with good surface finish and strong chip breaking capability. Suitable for processing 45# steel, mold steel, A3 steel, quenched and tempered materials, etc.
9115：Steel turning processing. Hardened material, with stronger chipping resistance and wear resistance, more suitable for continuous processing.
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7225：Steel turning processing: Wear-resistant and chipping-resistant, with good surface finish and strong chip breaking capability. Suitable for processing 45# steel, mold steel, A3 steel, quenched and tempered materials, etc.
9115：Steel turning processing. Hardened material, with stronger chipping resistance and wear resistance, more suitable for continuous processing.
| Colour | two-color, two-color |
|---|---|
| Grade | 7225, 9115 |
| HRC | HRC20°~35°, HRC30°~45° |
