1 Product charateristics
- High cleanliness
- Expectional wear resistance
- Uniform microstructure
- Uniform hardness
- Extra Hardness
2 Chemical Composition
| 
			 Standard  | 
			
			 Chemical Composition Rate ( Wt, % )  | 
		|||||||
| 
			 C  | 
			
			 Si  | 
			
			 Mn  | 
			
			 P  | 
			
			 S  | 
			
			 Cr  | 
			
			 Mo  | 
			
			 V  | 
		|
| 
			 SKD11  | 
			
			 1.4  | 
			
			 
  | 
			
			 
  | 
			
			 
  | 
			
			 
  | 
			
			 11  | 
			
			 0.8  | 
			
			 0.2  | 
		
| 
			 1.6  | 
			
			 0.4  | 
			
			 0.6  | 
			
			 0.03  | 
			
			 0.03  | 
			
			 13  | 
			
			 1.2  | 
			
			 0.5  | 
		|
3 Apllications
Applied to tool materials manufactured in cold state:
- Press mold, molds for manufacturing materials in cold state
- Shaped rollers, saw blades,
- High wear-resistant parts, cold forging dies.
4. Heat Treatment Methods
| 
			 Steel  | 
			
			 Method  | 
		|||
| 
			 vacuum heat treatment  | 
			
			 QT  | 
			
			 Nitriding  | 
			
			 Carburizing  | 
		|
| 
			 SKD11  | 
			
			 MAX:  | 
			
			 MAX:  | 
			
			 MAX:  | 
			
			 NO  | 
		
5. Heat treament Process
| 
			 Steel  | 
			
			 Annealing  | 
			
			 Quenching  | 
			
			 Tempering  | 
			
			 Hardness  | 
		||
| 
			 Temperature  | 
			
			 Temperature  | 
			
			 
  | 
			
			 Temperature  | 
			
			 
  | 
			
			 ( HRC)  | 
		|
| 
			 ( °C)  | 
			
			 ( °C)  | 
			
			 ( °C)  | 
		||||
| 
			 SKD61  | 
			
			 820~870  | 
			
			 1000~1050  | 
			
			 Air  | 
			
			 550~650  | 
			
			 Air  | 
			
			 50~55  | 
		


