Annealed M47 Tool Steel
Tool Steels
Property Overview
Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength810MPa
Yield StrengthUnknown
Brinell Hardness240HB
Maximum Service TemperatureUnknown
Chemical Composition
C
1.1 to 1.2%
CR
3.5 to 4.0%
NI
0 to 0.3%
MO
9.3 to 10%
MN
0.15 to 0.4%
SI
0.2 to 0.45%
P
0 to 0.030%
S
0 to 0.030%
CU
0 to 0.25%
V
1.2 to 1.4%
CO
4.8 to 5.3%
W
1.3 to 1.8%
FE
78.7 to 85%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Poisson's Ratio
0.29
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
810 MPa
Hardness
Brinell Hardness
240
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Melting Completion (Liquidus)
1540 °C
Melting Onset (Solidus)
1500 °C
Specific Heat Capacity
450 J/kg-K
Thermal Conductivity
23 W/m-K
Thermal Diffusivity
6.3 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
27 points
Calculated
PREN (Pitting Resistance)
38
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
24 points
Environmental
Base Metal Price
26 % relative
Embodied Carbon
7.4 kg CO 2 /kg material
Embodied Energy
100 MJ/kg
Embodied Energy
100 MJ/kg 45 x 10 3 BTU/lb
Embodied Water
120 L/kg
Embodied Water
120 L/kg 15 gal/lb
Registered Designations & Aliases
Annealed M47 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, 5th ed., George Roberts et al., 1998 Tool Steels: Properties and Performance, Rafael A. Mesquita (editor), 2016