| Grade | Equal to ISO Category Number | Performance | Performance&application recommended |
| Density G/Cm 3 | Bend Strength N/mm 2 | Hardness HRA |
| YG3 | K01 | 14.9-15.3 | ≥1180 | ≥90.5 | Sand-blasting nozzles qualified for fine turning and half-fine turning when cast iron, non-ferrous metal, alloys as well as non-alloy materials cutting consecutively. Can make wire drawing of steel and non-ferrous metal. Also qualified for sand-blasting n |
| YG3X | K01 | 15.1-15.4 | ≥1300 | ≥91.5 |
| YK05 |
| 14.95 | 2500 | 90.5 | Mostly used as the buttons of small and bits medium sized percussion |
| YG8C |
| 14.8 | 2400 | 88.5 | and as the inserts of rotary prospecting bits to cut soft and |
| medium hard formations. |
| YG6 |
| 14.95 | 1900 | 90.5 | For coring crowns,electric coal drill bits, coal cutting picks,oil |
| cone bits and scraping knife bits,used in coal geological prospecting, |
| mining and oil well boring. |
| YG6X | K10 | 14.8-15.1 | ≥1560 | ≥91.0 | Qualified for machining of chilled cast iron, alloy cast iron, refractory steel and alloy steel. Also Qualified for the machining of common cast iron. |
| YG6A | K10 | 14.7-15.1 | ≥1580 | ≥91.0 |
| YG6 | K20 | 14.7-15.1 | ≥1670 | ≥89.5 | Qualified for finish machining and semi-finish machining for the cast iron, non-ferrous metal, alloy and unalloyed materials. Also qualified for wire drawing for the steel and non-ferrous metal, electric drill for geology use and steel drill etc. |
| YG8 | K30 | 14.6-14.9 | ≥1840 | ≥89 | Qualified for rough machining of cast iron, non-ferrous metal, nonmetal materials, drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and wearing parts. |
| YG10X |
| 14.5 | 2400 | 91.5 | Fine grain alloy, good wear resistance,Used for processing hard |
| wood, veneer board,PCB,PVC and metals. |
| YG11 |
| 14.4 | 2600 | 88.5 | Forming or stamping dies for metal powders and nonmental powders. |
| YG11C | K40 | 14.4 | 2700 | 86.5 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium |
| hard, hard and very hard formations. |
| YG15 | K40 | 14 | 2800 | 87.5 | For fabricating drawing dies of steel tubesand rods under high |
| compressibility ratio;punching,stamping,forging tools under large stress. |
| YG15C |
| 14 | 3000 | 85.5 | For oil cone dril bits, for medium soft and medium-hard rocks. |
| YG16C |
| 13.9 | 2900 | 85.5 | Impact resistance, hot&forging dies etc. |
| YGH40 |
| 13.5-13.9 | ≥2450 | ≥83.0 | Mainly for making hot dies. |
| YG20 |
| 13.5 | 3200 | 85.5 | For fabricating of stamping dies for watch parts, spring plates of musical |
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| instruments, battery jars,small sized steel balls,screws,screw caps. |
| YG18C |
| 13.7 | 3100 | 84.5 | Impact resistance forging dies,hot-press forging dies and rollers. |
| YG20C |
| 13.5 | 3300 | 83.5 | Dies for wear resistant or impact resistant application. |
| YG22C |
| 13.3 | 3500 | 83 | Nut forming dies and high impact resistance forging dies. |
| YG25C |
| 13.1 | 3600 | 82.5 | Stainless bolt header dies and rollers. |
| YT15 | P10 | 11.1-11.6 | ≥1180 | ≥91.0 | Qualified for rough machining, semi-finish machining and finish machining during consecutive machining of carbon steel and alloy steel. |
| YT14 | P20 | 11.2-11.8 | ≥1270 | ≥90.5 | Qualified for rough machining for rough face of carbon steel and alloy steel, half process during discontinuity cutting. |
| YT5 | P30 | 12.5-13.2 | ≥1430 | ≥89.5 | Qualified for rough machining for rough face of carbon steel and alloy steel and discontinuity cutting. |
