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AWS ERNi-1 vs. R05400 Tantalum

AWS ERNi-1 belongs to the nickel alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS ERNi-1 and the bottom bar is R05400 tantalum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 22
1.1 to 28
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 69
69
Tensile Strength: Ultimate (UTS), MPa 470
210 to 540

Thermal Properties

Latent Heat of Fusion, J/g 300
140
Specific Heat Capacity, J/kg-K 450
140
Thermal Conductivity, W/m-K 73
59
Thermal Expansion, µm/m-K 11
6.5

Otherwise Unclassified Properties

Density, g/cm3 8.7
17
Embodied Water, L/kg 230
650

Common Calculations

Stiffness to Weight: Axial, points 12
6.2
Stiffness to Weight: Bending, points 22
11
Strength to Weight: Axial, points 15
3.6 to 9.0
Strength to Weight: Bending, points 15
4.8 to 8.8
Thermal Diffusivity, mm2/s 19
25
Thermal Shock Resistance, points 17
13 to 32

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.010
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 1.0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 93 to 98
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
99.7 to 100
Titanium (Ti), % 2.0 to 3.5
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Residuals, % 0 to 0.5
0