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Class 2 Tungsten vs. Austempered Cast Iron

Class 2 tungsten belongs to the otherwise unclassified metals classification, while austempered cast iron belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
180
Elongation at Break, % 5.7
1.1 to 13
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 100
62 to 69
Tensile Strength: Ultimate (UTS), MPa 860
860 to 1800
Tensile Strength: Yield (Proof), MPa 580
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 160
280
Specific Heat Capacity, J/kg-K 120
490
Thermal Conductivity, W/m-K 20
42
Thermal Expansion, µm/m-K 4.6
13

Otherwise Unclassified Properties

Density, g/cm3 15
7.5
Embodied Carbon, kg CO2/kg material 23
1.8
Embodied Energy, MJ/kg 350
25
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 640
880 to 3970
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 16
32 to 66
Strength to Weight: Bending, points 13
27 to 44
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 52
25 to 53

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0
3.4 to 3.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 0
89.6 to 94
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0
2.3 to 2.7
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Tungsten (W), % 92.5
0
Vanadium (V), % 0
0 to 0.1
Residuals, % 7.5
0