Hardened H24 Tool Steel
Tool Steels
Property Overview
Density9.1g/cm³
Elastic Modulus200GPa
Tensile Strength1990MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.42 to 0.53%
CR
2.5 to 3.5%
NI
0 to 0.3%
MN
0.15 to 0.4%
SI
0.15 to 0.4%
P
0 to 0.030%
S
0 to 0.030%
CU
0 to 0.25%
V
0.4 to 0.6%
W
14 to 16%
FE
78 to 82.4%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Poisson's Ratio
0.29
Shear Modulus
78 GPa
Tensile Strength: Ultimate (UTS)
1990 MPa
Hardness
Rockwell C Hardness
62
Physical
Density
9.1 g/cm 3
Thermal
Latent Heat of Fusion
240 J/g
Melting Completion (Liquidus)
1750 °C
Melting Onset (Solidus)
1700 °C
Specific Heat Capacity
420 J/kg-K
Thermal Conductivity
27 W/m-K
Thermal Diffusivity
6.9 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
61 points
Calculated
PREN (Pitting Resistance)
28
Stiffness to Weight: Axial
12 points
Stiffness to Weight: Bending
22 points
Strength to Weight: Axial
61 points
Strength to Weight: Bending
39 points
Environmental
Base Metal Price
37 % relative
Embodied Carbon
6.1 kg CO 2 /kg material
Embodied Energy
93 MJ/kg
Embodied Energy
93 MJ/kg 40 x 10 3 BTU/lb
Embodied Water
78 L/kg
Embodied Water
78 L/kg 9.3 gal/lb
Registered Designations & Aliases
Hardened H24 Tool Steel
Standards
ASTM A681 ASTM A681: Standard Specification for Tool Steels Alloy
ASTM A681 ASTM A681: Standard Specification for Tool Steels Alloy Tool Steels: Properties and Performance, Rafael A. Mesquita (editor), 2016