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Class 3 Tungsten vs. AWS ERNiCrMo-4

Class 3 tungsten belongs to the otherwise unclassified metals classification, while AWS ERNiCrMo-4 belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is class 3 tungsten and the bottom bar is AWS ERNiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
220
Elongation at Break, % 3.4
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 100
84
Tensile Strength: Ultimate (UTS), MPa 830
790

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Specific Heat Capacity, J/kg-K 120
410
Thermal Expansion, µm/m-K 4.5
12

Otherwise Unclassified Properties

Density, g/cm3 15
9.0
Embodied Carbon, kg CO2/kg material 23
13
Embodied Energy, MJ/kg 360
170
Embodied Water, L/kg 150
280

Common Calculations

Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
22
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 13
21
Thermal Shock Resistance, points 49
22

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0
4.0 to 7.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
50 to 63.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.080
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 95
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5