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Class 1 Tungsten vs. SAE-AISI 1070 Steel

Class 1 tungsten belongs to the otherwise unclassified metals classification, while SAE-AISI 1070 steel belongs to the iron alloys. There are 24 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 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 250
190
Elongation at Break, % 5.7
10 to 13
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 98
72
Tensile Strength: Ultimate (UTS), MPa 860
640 to 760
Tensile Strength: Yield (Proof), MPa 580
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 160
250
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 21
50
Thermal Expansion, µm/m-K 5.1
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
10
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
12

Otherwise Unclassified Properties

Density, g/cm3 15
7.8
Embodied Carbon, kg CO2/kg material 22
1.4
Embodied Energy, MJ/kg 340
19
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 660
470 to 850
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 16
23 to 27
Strength to Weight: Bending, points 14
21 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 48
21 to 25

Alloy Composition

Carbon (C), % 0
0.65 to 0.75
Iron (Fe), % 0
98.3 to 98.8
Manganese (Mn), % 0
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Tungsten (W), % 90
0
Residuals, % 10
0