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R30016 Cobalt vs. AWS E410

R30016 cobalt belongs to the cobalt alloys classification, while AWS E410 belongs to the iron alloys. There are 26 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 R30016 cobalt and the bottom bar is AWS E410.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 85
76
Tensile Strength: Ultimate (UTS), MPa 1010
580
Tensile Strength: Yield (Proof), MPa 580
440

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1270
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.4

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
2.0
Embodied Energy, MJ/kg 110
28
Embodied Water, L/kg 500
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
120
Resilience: Unit (Modulus of Resilience), kJ/m3 770
500
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 3.9
7.5
Thermal Shock Resistance, points 24
16

Alloy Composition

Carbon (C), % 0.9 to 1.4
0 to 0.12
Chromium (Cr), % 28 to 32
11 to 13.5
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 3.0
82.2 to 89
Manganese (Mn), % 0.5 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.5
0 to 0.75
Nickel (Ni), % 0 to 3.0
0 to 0.7
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.2 to 2.0
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 3.5 to 5.5
0