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Class 3 Tungsten vs. ASTM Grade LC1 Steel

Class 3 tungsten belongs to the otherwise unclassified metals classification, while ASTM grade LC1 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is class 3 tungsten and the bottom bar is ASTM grade LC1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
190
Elongation at Break, % 3.4
27
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 100
73
Tensile Strength: Ultimate (UTS), MPa 830
540
Tensile Strength: Yield (Proof), MPa 580
270

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 30
50
Thermal Expansion, µm/m-K 4.5
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Density, g/cm3 15
7.9
Embodied Carbon, kg CO2/kg material 23
1.5
Embodied Energy, MJ/kg 360
20
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
120
Resilience: Unit (Modulus of Resilience), kJ/m3 630
200
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 15
13
Thermal Shock Resistance, points 49
16

Alloy Composition

Carbon (C), % 0
0 to 0.25
Iron (Fe), % 0
97.6 to 99.05
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.045
Tungsten (W), % 95
0
Residuals, % 5.0
0