Specification :

The quality of products has met SAE & ISO international standards and the company has passed international standard ISO9001. Meanwhile, the company has gained famous trademark of Shandong province.
Types : S780/ SS2.5 S660/ SS2.0 S550/ SS1.7 S460/ SS1.4 S390/ SS1.2 S330/ SS1.0
S280/ SS0.8 S230/ SS0.6 S170/ SS0.5 S110/ SS0.3
The Major Technological Index:
Chemical Composition:
C 0.70~ 1.20% Mn 0.35~ 1.20% Sie0.40% Sd0.05% P d0.05%
Microhardness:
Normal: 40~ 50HRC
Special: 52~ 56HRC
Special: 56~ 60HRC
Hard ness Deviation: Max Deviation ± 3.0HRC
Durability: 2000~ 2800 times
Microstructure: Tempered Martensite or Sorbite
Density: 7.4g/ cm3