| YSS Symbol | 
Features | 
| DAC(TM) | 
Standard grade for general use with good balance of toughness, strength at elevated temperature and with excellent hardenability. | 
| DAC-MAGIC(TM) | 
High performance die steel for die casting with well balanced strength and toughness and strength at elevated temperature. Excellent heat crack and stress corrosion crack resistance. | 
| DAC(TM)10 | 
Excellent heat crack and wear resistance at elevated temperature. Steel for precision die casting and hot press die. | 
| DAC(TM)55 | 
Die casting die steel with excellent heat crack resistance and toughness. | 
| DAC(TM)3 | 
Hot work tool steel with higher toughness than DAC for Al extrusion dies with high hardness or hot forging press dies with good crack resistance. | 
| DAC(TM)40 | 
Al extrusion die steel with higher strength and better softening resistance at elevated temperature than DAC. | 
| YEM(TM)-K | 
Hot work tool steel with higher toughness and strength at elevated temperature than SKD7 for forging die of mass production use such as hot former. | 
| MDC(TM)-K | 
High strength hot work tool steel with higher toughness than SKD8 for high heat load applications such as Cu extrusion and Cu alloy die casting dies. | 
| FDAC(TM) | 
Free cutting hot work tool steel (supplied in prehardened condition) for dies of small production use or dies · associated  parts requiring good machinability. | 
| YXR(TM)33 | 
Matrix-type high speed steel with high toughness. Excellent strength and wear resistance at elevated temperature and excellent erosion resistance. Steel for warm · hot precision forging dies and insert pins for die casting. |