Complaint
| TYPE | COMPONENTS | HARDNESS (HRC) | Abrasive RESISTANCE | Corrosion resistance | applications |
| JYK-1, C | Fe, Cr, Ni | 56 - 60 | x | x | Recycling & engineering plastics, reinforced additives less than 20%. |
| JYK-2, B | Ni, W, Cr | 58 - 62 | xx | xx | Moderate corrosive, reinforced additives less than 35% |
| JYK-3, D | Ni, W, Cr | 60 - 64 | xxx | xx | High abrasive and moderate corrosive plastics |
| TYPE | INGREDIENTS (WEIGHT %) | ||||||||
| Cr | C | Fe | B | Si | W * | Mn | Ni | Others | |
| JYK-1, C | 8 | 1.2 | Bal | 4.3 | 4 | / | 0.65 | 10.8 | < 1.0 |
| JYK-2, B | 8 | 1.4 | 5 | 4 | 3.3 | 16.5 | 0.5 | Bal | < 1.0 |
| JYK-3, D | 8 | 1.4 | 5 | 4 | 3.3 | 40 | 0.5 | Bal | < 1.0 |
