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SAE-AISI M33 Steel vs. Class 1 Tungsten

SAE-AISI M33 steel belongs to the iron alloys classification, while class 1 tungsten belongs to the otherwise unclassified metals. 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 SAE-AISI M33 steel and the bottom bar is class 1 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
98
Tensile Strength: Ultimate (UTS), MPa 810 to 2210
860

Thermal Properties

Latent Heat of Fusion, J/g 270
160
Specific Heat Capacity, J/kg-K 440
120
Thermal Conductivity, W/m-K 20
21
Thermal Expansion, µm/m-K 12
5.1

Otherwise Unclassified Properties

Density, g/cm3 8.2
15
Embodied Carbon, kg CO2/kg material 7.7
22
Embodied Energy, MJ/kg 110
340
Embodied Water, L/kg 150
140

Common Calculations

Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 27 to 75
16
Strength to Weight: Bending, points 24 to 46
14
Thermal Diffusivity, mm2/s 5.5
12
Thermal Shock Resistance, points 25 to 68
48

Alloy Composition

Carbon (C), % 0.85 to 0.92
0
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.4 to 76.3
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 9.0 to 10
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.3 to 2.1
90
Vanadium (V), % 1.0 to 1.4
0
Residuals, % 0
10