Rear view mirror button

Finished Weight of Component :
Density (g/cm3) : 7.82 g/cm3
Tensile Strenght (N/mm2) : 430 MPa
Yield Strength (=0.2% N/mm2) : 295 MPa
Hardness : 55RC
Treatment : case hardening
Description:One side of this part is coated with glass to give a good bonding surface for attachment to windsheild .