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High-preformance Grade Facts
| Grade | ISO Grade | Density g/cm3 | Hardness HRA> | T.R.S>N/mm2 | Performances or recommended applications |
| High-performance grade | |||||
| YD40 | 13.10-13.55 | 82.5 | 2480 | High impact resistance, for cold heading and punching dies and hot heading and punching dies | |
| YD45 | 13.25-13.65 | 83.0 | 2480 | High impact resistance, a special grade for hot heading dies | |
| YG011 | K10 | 14.55-14.75 | 92.5 | 1840 | Ultra-fine grain size, for machining glass fiber reinforced plastics, titanium alloys, hardened steel with a high hardness |
| YG012 | K20 | 14.25-14.55 | 91.0 | 2160 | Ultra-fine grain, for milling cutters and the hole-machining tools |
| YG013 | K10 | 14.35-14.60 | 91.5 | 2060 | Ultra-fine grain with good wear resistance and toughness, for wood-working tools |
| YG014 | K05 | 14.65-14.95 | 93.0 | 1760 | Ultra-fine grain, for finishing machining of non-ferrous metals and for wood-working tools |
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