Hardened H26 Tool Steel
Tool Steels
Property Overview
Density9.3g/cm³
Elastic Modulus210GPa
Tensile Strength2100MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.45 to 0.55%
CR
3.8 to 4.5%
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
0.75 to 1.3%
W
17.3 to 19%
FE
73.3 to 77.5%
Mechanical
Elastic (Young's, Tensile) Modulus
210 GPa
Poisson's Ratio
0.29
Shear Modulus
80 GPa
Tensile Strength: Ultimate (UTS)
2100 MPa
Hardness
Rockwell C Hardness
65
Physical
Density
9.3 g/cm 3
Thermal
Latent Heat of Fusion
240 J/g
Melting Completion (Liquidus)
1810 °C
Melting Onset (Solidus)
1760 °C
Specific Heat Capacity
410 J/kg-K
Thermal Conductivity
22 W/m-K
Thermal Diffusivity
5.6 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
63 points
Calculated
PREN (Pitting Resistance)
34
Stiffness to Weight: Axial
12 points
Stiffness to Weight: Bending
21 points
Strength to Weight: Axial
63 points
Strength to Weight: Bending
39 points
Environmental
Base Metal Price
45 % relative
Embodied Carbon
8.1 kg CO 2 /kg material
Embodied Energy
120 MJ/kg
Embodied Energy
120 MJ/kg 53 x 10 3 BTU/lb
Embodied Water
90 L/kg
Embodied Water
90 L/kg 11 gal/lb
Registered Designations & Aliases
Hardened H26 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