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Class 3 Tungsten vs. SAE-AISI M1 Steel

Class 3 tungsten belongs to the otherwise unclassified metals classification, while SAE-AISI M1 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is class 3 tungsten and the bottom bar is SAE-AISI M1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 100
77
Tensile Strength: Ultimate (UTS), MPa 830
730 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Specific Heat Capacity, J/kg-K 120
450
Thermal Conductivity, W/m-K 30
29
Thermal Expansion, µm/m-K 4.5
12

Otherwise Unclassified Properties

Density, g/cm3 15
8.1
Embodied Carbon, kg CO2/kg material 23
7.0
Embodied Energy, MJ/kg 360
99
Embodied Water, L/kg 150
98

Common Calculations

Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 15
25 to 73
Strength to Weight: Bending, points 13
22 to 45
Thermal Diffusivity, mm2/s 15
8.0
Thermal Shock Resistance, points 49
23 to 66

Alloy Composition

Carbon (C), % 0
0.78 to 0.88
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0
81 to 84.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 95
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.4
Residuals, % 5.0
0