Chemical composition
C: 0.45~0.85%
Mn: 0.3~1.3%
Si: 0.15~0.35%
S: ≤0.05%
P: ≤0.04%
Hardness
1.0mm : 51~53 HRC
1.5mm : 41~45 HRC
Hardness deviation
Max deviation ±3.0 HRC
Durability: 3000~3500 times
Microstructure: Deformed pearlite
Density: 7.8g/m3
Bulk density : 4.5g/m3
