SAE-AISI M30 (T11330) Molybdenum High-Speed Steel
Tool Steels
Property Overview
Density8.2g/cm³
Elastic Modulus200GPa
Tensile Strength800 to 2170MPa
Yield StrengthUnknown
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0.75 to 0.85%
CR
3.5 to 4.3%
NI
0 to 0.3%
MO
7.8 to 9.0%
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
1.0 to 1.4%
CO
4.5 to 5.5%
W
1.3 to 2.3%
FE
75.2 to 80.9%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Poisson's Ratio
0.29
Shear Modulus
78 GPa
Tensile Strength: Ultimate (UTS)
800 to 2170 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
450 J/kg-K
Thermal Conductivity
24 W/m-K
Thermal Diffusivity
6.6 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
25 to 67 points
Calculated
PREN (Pitting Resistance)
35
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
27 to 74 points
Strength to Weight: Bending
24 to 46 points
Environmental
Base Metal Price
26 % relative
Embodied Carbon
7.2 kg CO 2 /kg material
Embodied Energy
100 MJ/kg
Embodied Energy
100 MJ/kg 44 x 10 3 BTU/lb
Embodied Water
120 L/kg
Embodied Water
120 L/kg 15 gal/lb
Registered Designations & Aliases
SAE-AISI M30 (T11330) Molybdenum High-Speed SteelT11330
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