SAE-AISI M33 (T11333) Molybdenum High-Speed Steel
Tool Steels
Property Overview
Density8.2g/cm³
Elastic Modulus200GPa
Tensile Strength810 to 2210MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.85 to 0.92%
CR
3.5 to 4.0%
NI
0 to 0.3%
MO
9.0 to 10%
MN
0.15 to 0.4%
SI
0.15 to 0.5%
P
0 to 0.030%
S
0 to 0.030%
CU
0 to 0.25%
V
1.0 to 1.4%
CO
7.8 to 8.8%
W
1.3 to 2.1%
FE
71.4 to 76.3%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Poisson's Ratio
0.29
Shear Modulus
78 GPa
Tensile Strength: Ultimate (UTS)
810 to 2210 MPa
Physical
Density
8.2 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Melting Completion (Liquidus)
1550 °C
Melting Onset (Solidus)
1500 °C
Specific Heat Capacity
440 J/kg-K
Thermal Conductivity
20 W/m-K
Thermal Diffusivity
5.5 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
25 to 68 points
Calculated
PREN (Pitting Resistance)
38
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
27 to 75 points
Strength to Weight: Bending
24 to 46 points
Environmental
Base Metal Price
32 % relative
Embodied Carbon
7.7 kg CO 2 /kg material
Embodied Energy
110 MJ/kg
Embodied Energy
110 MJ/kg 46 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 17 gal/lb
Registered Designations & Aliases
SAE-AISI M33 (T11333) Molybdenum High-Speed SteelT11333
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