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AWS E80C-Ni2 vs. R30006 Cobalt

AWS E80C-Ni2 belongs to the iron alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E80C-Ni2 and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 27
1.0
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
85
Tensile Strength: Ultimate (UTS), MPa 620
900
Tensile Strength: Yield (Proof), MPa 540
540

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1290
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.6
7.8
Embodied Energy, MJ/kg 22
110
Embodied Water, L/kg 51
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 770
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 18
26

Alloy Composition

Carbon (C), % 0 to 0.12
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 93.8 to 98.3
0 to 3.0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 1.8 to 2.8
0 to 3.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.9
0 to 2.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0
4.0 to 6.0
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0