R30605 Cobalt vs. AWS ERNiMo-3

R30605 cobalt belongs to the cobalt alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is AWS ERNiMo-3.

UNS R30605 (L605, Alloy 25, 2.4964) Alloy AWS ERNiMo-3 Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.29
Poisson's Ratio		0.3

Shear Modulus, GPa		81
Shear Modulus, GPa		83

Tensile Strength: Ultimate (UTS), MPa		1130 to 1900
Tensile Strength: Ultimate (UTS), MPa		770

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1600

Melting Onset (Solidus), °C		1330
Melting Onset (Solidus), °C		1540

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		400

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Density, g/cm³		9.6
Density, g/cm³		9.1

Embodied Carbon, kg CO₂/kg material		9.8
Embodied Carbon, kg CO₂/kg material		15

Embodied Energy, MJ/kg		140
Embodied Energy, MJ/kg		190

Embodied Water, L/kg		450
Embodied Water, L/kg		270

Common Calculations

Stiffness to Weight: Axial, points		12
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		21
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		33 to 55
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		25 to 36
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		31 to 52
Thermal Shock Resistance, points		24

Alloy Composition

Carbon (C), %		0.050 to 0.15
Carbon (C), %		0 to 0.12

Chromium (Cr), %		19 to 21
Chromium (Cr), %		4.0 to 6.0

Cobalt (Co), %		46.4 to 57
Cobalt (Co), %		0 to 2.5

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

Iron (Fe), %		0 to 3.0
Iron (Fe), %		4.0 to 7.0

Manganese (Mn), %		1.0 to 2.0
Manganese (Mn), %		0 to 1.0

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

Nickel (Ni), %		9.0 to 11
Nickel (Ni), %		53.7 to 69

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

Silicon (Si), %		0 to 0.4
Silicon (Si), %		0 to 1.0

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

Tungsten (W), %		14 to 16
Tungsten (W), %		0 to 1.0

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

Residuals, %		0
Residuals, %		0 to 0.5