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SAE-AISI S1 Steel vs. Class 1 Tungsten

SAE-AISI S1 steel belongs to the iron alloys classification, while class 1 tungsten belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S1 steel and the bottom bar is class 1 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
98
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
860

Thermal Properties

Latent Heat of Fusion, J/g 260
160
Specific Heat Capacity, J/kg-K 470
120
Thermal Conductivity, W/m-K 41
21
Thermal Expansion, µm/m-K 12
5.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
7.4

Otherwise Unclassified Properties

Density, g/cm3 8.0
15
Embodied Carbon, kg CO2/kg material 2.6
22
Embodied Energy, MJ/kg 37
340
Embodied Water, L/kg 56
140

Common Calculations

Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 24 to 64
16
Strength to Weight: Bending, points 22 to 42
14
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 21 to 56
48

Alloy Composition

Carbon (C), % 0.4 to 0.55
0
Chromium (Cr), % 1.0 to 1.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 96.7
0
Manganese (Mn), % 0.1 to 0.4
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.5 to 3.0
90
Vanadium (V), % 0.15 to 0.3
0
Residuals, % 0
10