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Class 1 Tungsten vs. SAE-AISI A6 Steel

Class 1 tungsten belongs to the otherwise unclassified metals classification, while SAE-AISI A6 steel belongs to the iron alloys. 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 class 1 tungsten and the bottom bar is SAE-AISI A6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 250
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 98
73
Tensile Strength: Ultimate (UTS), MPa 860
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 160
250
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 21
41
Thermal Expansion, µm/m-K 5.1
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
8.7

Otherwise Unclassified Properties

Density, g/cm3 15
7.8
Embodied Carbon, kg CO2/kg material 22
1.8
Embodied Energy, MJ/kg 340
24
Embodied Water, L/kg 140
57

Common Calculations

Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 16
27 to 71
Strength to Weight: Bending, points 14
23 to 45
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 48
25 to 65

Alloy Composition

Carbon (C), % 0
0.65 to 0.75
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0
93 to 95.8
Manganese (Mn), % 0
1.8 to 2.5
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 90
0
Residuals, % 10
0