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SAE-AISI M41 Steel vs. Class 2 Tungsten

SAE-AISI M41 steel belongs to the iron alloys classification, while class 2 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 M41 steel and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
100
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
860

Thermal Properties

Latent Heat of Fusion, J/g 260
160
Specific Heat Capacity, J/kg-K 440
120
Thermal Conductivity, W/m-K 22
20
Thermal Expansion, µm/m-K 12
4.6

Otherwise Unclassified Properties

Density, g/cm3 8.4
15
Embodied Carbon, kg CO2/kg material 9.1
23
Embodied Energy, MJ/kg 140
350
Embodied Water, L/kg 120
140

Common Calculations

Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 23
14
Strength to Weight: Axial, points 26 to 76
16
Strength to Weight: Bending, points 23 to 46
13
Thermal Diffusivity, mm2/s 6.0
11
Thermal Shock Resistance, points 25 to 71
52

Alloy Composition

Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
0
Manganese (Mn), % 0.2 to 0.6
0
Molybdenum (Mo), % 3.3 to 4.3
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), % 6.3 to 7.0
92.5
Vanadium (V), % 1.8 to 2.3
0
Residuals, % 0
7.5