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R30016 Cobalt vs. EN 1.0920 Steel

R30016 cobalt belongs to the cobalt alloys classification, while EN 1.0920 steel belongs to the iron alloys. There are 28 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 EN 1.0920 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
23
Fatigue Strength, MPa 290
270
Impact Strength: V-Notched Charpy, J 8.0
40
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 1010
540
Tensile Strength: Yield (Proof), MPa 580
380

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1270
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.5

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.6
Embodied Energy, MJ/kg 110
22
Embodied Water, L/kg 500
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
110
Resilience: Unit (Modulus of Resilience), kJ/m3 770
380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 24
17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.9 to 1.4
0 to 0.2
Chromium (Cr), % 28 to 32
0 to 0.3
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 0 to 3.0
96.1 to 99.08
Manganese (Mn), % 0.5 to 2.0
0.9 to 1.7
Molybdenum (Mo), % 0 to 1.5
0 to 0.1
Nickel (Ni), % 0 to 3.0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.2 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 3.5 to 5.5
0
Vanadium (V), % 0
0 to 0.12