Hardened M50 Tool Steel
Tool Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength2250MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.78 to 0.88%
CR
3.8 to 4.5%
NI
0 to 0.3%
MO
3.9 to 4.8%
MN
0.15 to 0.45%
SI
0.2 to 0.6%
P
0 to 0.030%
S
0 to 0.030%
CU
0 to 0.25%
V
0.8 to 1.3%
FE
87 to 90.4%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Poisson's Ratio
0.29
Shear Modulus
75 GPa
Tensile Strength: Ultimate (UTS)
2250 MPa
Hardness
Rockwell C Hardness
70
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Melting Completion (Liquidus)
1480 °C
Melting Onset (Solidus)
1440 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
35 W/m-K
Thermal Diffusivity
9.7 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
66 points
Electrical
Electrical Conductivity: Equal Volume
8.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
10 % IACS
Calculated
PREN (Pitting Resistance)
19
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
80 points
Strength to Weight: Bending
49 points
Environmental
Base Metal Price
9.0 % relative
Embodied Carbon
5.1 kg CO 2 /kg material
Embodied Energy
74 MJ/kg
Embodied Energy
74 MJ/kg 32 x 10 3 BTU/lb
Embodied Water
83 L/kg
Embodied Water
83 L/kg 9.9 gal/lb
Registered Designations & Aliases
Hardened M50 Tool Steel
Standards
ASTM A600 ASTM A600: Standard Specification for Tool Steel High Speed
ASTM A600 ASTM A600: Standard Specification for Tool Steel High Speed Tool Steels: Properties and Performance, Rafael A. Mesquita (editor), 2016