1)Carbon or boron steel

2)Thickness from 16mm to 85 mm

3)After quenching, tempering treatment

4)Excellent wear resistance

5)Colors:Black or yellow

6) technique:Forging /casting

7)Certification: ISO:9001/14001

8).Capacity:20000/month

9)Surface Hardness: Carbon HRC280-320HB, Boron HRC440-520HB

10)Yielding Point: Carbon 600Re-N/mm2 , Boron 1440N/mm2

11)Tensile Strength; 1030 RM-N/mm2,1674 RM-N/mm2