Properties

Properties


Mechanical properties

The available grades have the following mechanical properties - these are measured perpendicular to the rolling direction (transverse test pieces):
 

Carbon manganese steel

Tata Steel Grade HC300CM
Yield strength ReL N/mm2 300 - 360
Tensile strength Rm N/mm2 440 - 500
Elongation % 26
Elongation after fracture A uses test piece length L0 = 80 mm.
 

Chemical composition

Cold-rolled high-strength steels supplied by Tata Steel comply to the following cast analysis with maximum values unless otherwise shown:
 

Carbon manganese steel

  Grade HC300CM
C Max. 0.18
Mn Max. 1.40
Si Max. 0.03
P Max. 0.025
S Max. 0.012
All values are in weight%.