414 / 416 , Ground Floor, Maulana Azad Road,

Grant Road (East), Mumbai 400 004



Material Notes:

Oversized Charpy specimens austenitized at 1010°C for 1 hr., air-cooled, and double tempered to indicated hardness in Charpy Impact notes prior to grinding to finished size.

Physical Properties
Metric English Comments
Density 7.81 g/cc 0.282 lb/in³


Mechanical Properties
Metric English Comments
Bulk Modulus 160 GPa 23200 ksi Typical for steel.
Shear Modulus 80.0 GPa 11600 ksi Typical for steel.


Component Elements Properties
Metric English Comments
Carbon, C 0.30 - 0.40 % 0.30 - 0.40 %
Chromium, Cr 4.75 - 5.5 % 4.75 - 5.5 %
Molybdenum, Mo 1.25 - 1.75 % 1.25 - 1.75 %
Tungsten, W 1.0 - 1.7 % 1.0 - 1.7 %
Vanadium, V <= 0.50 % <= 0.50 %