1.Chemical composition:
C%:0.65-0.78
Mn%: 0.6-0.9
Si%: 0.15-0.35
S%: ≦0.025
P%: ≦0.025
Tensile strength: 1450-1750MPA
2.Production condition:
Hardened and tempered, hardness from 45-47hrc, surface blue with rounded edge.
3.Normally grade of the material based on BS, AISI ,EN, DIN, and JIS standard
CS67,CS75,CS80,C75CR1
Strip normal size:
1.2*40mm, 1.3*40mm, 1.3*45mm, 1.2*50mm
1.4*50mm, 1.4*55mm,1.4*60mm,1.4*80mm so on
