R05240 Alloy vs. AWS ERNiMo-3

R05240 alloy belongs to the otherwise unclassified metals classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 14 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is AWS ERNiMo-3.

UNS R05240 Tantalum-Niobium Alloy AWS ERNiMo-3 Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		150
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.36
Poisson's Ratio		0.3

Shear Modulus, GPa		57
Shear Modulus, GPa		83

Tensile Strength: Ultimate (UTS), MPa		270
Tensile Strength: Ultimate (UTS), MPa		770

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		320

Specific Heat Capacity, J/kg-K		190
Specific Heat Capacity, J/kg-K		400

Thermal Expansion, µm/m-K		6.8
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Density, g/cm³		14
Density, g/cm³		9.1

Embodied Water, L/kg		460
Embodied Water, L/kg		270

Common Calculations

Stiffness to Weight: Axial, points		6.3
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		13
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		5.4
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		6.8
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		24

Alloy Composition

Carbon (C), %		0 to 0.010
Carbon (C), %		0 to 0.12

Chromium (Cr), %		0
Chromium (Cr), %		4.0 to 6.0

Cobalt (Co), %		0
Cobalt (Co), %		0 to 2.5

Copper (Cu), %		0
Copper (Cu), %		0 to 0.5

Hydrogen (H), %		0 to 0.0015
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.010
Iron (Fe), %		4.0 to 7.0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0 to 0.020
Molybdenum (Mo), %		23 to 26

Nickel (Ni), %		0 to 0.010
Nickel (Ni), %		53.7 to 69

Niobium (Nb), %		35 to 42
Niobium (Nb), %		0

Nitrogen (N), %		0 to 0.010
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.020
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0 to 0.0050
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Tantalum (Ta), %		57.9 to 65
Tantalum (Ta), %		0

Titanium (Ti), %		0 to 0.010
Titanium (Ti), %		0

Tungsten (W), %		0 to 0.050
Tungsten (W), %		0 to 1.0

Vanadium (V), %		0
Vanadium (V), %		0 to 0.6

Residuals, %		0
Residuals, %		0 to 0.5