Excavators_tooth_2:

Rang of application( material)

C                   Si                   Mn                Cr                  Mo                  P                   S                  

0.25-0.30    0.20-0.40    1.0-1.40       0.8-1.20        0.1-0.15        0.025        0.025

mechanical properties:

hardness : HRC48-52

toughness: 20J/cm 2