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AWS ERNi-1 vs. Class 4 Tungsten

AWS ERNi-1 belongs to the nickel alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 21 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 AWS ERNi-1 and the bottom bar is class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
270
Elongation at Break, % 22
2.3
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 69
110
Tensile Strength: Ultimate (UTS), MPa 470
790

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Specific Heat Capacity, J/kg-K 450
130
Thermal Conductivity, W/m-K 73
30
Thermal Expansion, µm/m-K 11
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
17
Electrical Conductivity: Equal Weight (Specific), % IACS 19
9.7

Otherwise Unclassified Properties

Density, g/cm3 8.7
16
Embodied Carbon, kg CO2/kg material 11
24
Embodied Energy, MJ/kg 150
360
Embodied Water, L/kg 230
150

Common Calculations

Stiffness to Weight: Axial, points 12
9.6
Stiffness to Weight: Bending, points 22
14
Strength to Weight: Axial, points 15
14
Strength to Weight: Bending, points 15
12
Thermal Diffusivity, mm2/s 19
15
Thermal Shock Resistance, points 17
46

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 1.0
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 93 to 98
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.0 to 3.5
0
Tungsten (W), % 0
97
Residuals, % 0
3.0