1. Product charateristics
- High gloss precision plastic mold material with high cleanliness and uniform structure
- Polishability
- Impact touhness
- Machinability
- High cleanliness
2. Chemical Composition (SEAHCSS)
| 
			 Standards  | 
			
			 Chemical Composition Rate ( Wt, % )  | 
		||||||||
| 
			 C  | 
			
			 Si  | 
			
			 Mn  | 
			
			 P  | 
			
			 S  | 
			
			 Ni  | 
			
			 Cr  | 
			
			 Mo  | 
			
			 V  | 
		|
| 
			 KP4M  | 
			
			 0.26  | 
			
			 0.2  | 
			
			 0.8  | 
			
			 
  | 
			
			 
  | 
			
			 0.3  | 
			
			 1.65  | 
			
			 0.4  | 
			
			 0.02  | 
		
| 
			 0.37  | 
			
			 0.4  | 
			
			 1.3  | 
			
			 0.025  | 
			
			 0.02  | 
			
			 0.55  | 
			
			 2.1  | 
			
			 0.5  | 
			
			 0.04  | 
		|
3. Heat treament method
| 
			 Steel  | 
			
			 Heat treatment method  | 
		|||
| 
			 vacuum heat treatment  | 
			
			 Quenching & Tempering  | 
			
			 Nitriding  | 
			
			 Carburizing  | 
		|
| 
			 P4M  | 
			
			 -  | 
			
			 MAX:  | 
			
			 MAX:  | 
			
			 MAX:  | 
		
| 
			 55-58 HRC  | 
			
			 750-800 HV  | 
			
			 60-62 HRC  | 
		||
4. Apllications
- High gloss molds for mobile phone cases, consumer electronicss, OA machines, automobile parts (headamps, fog lights)
- High gloss TV front pannels and high precision plastics
