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R30006 Cobalt vs. SAE-AISI 1010 Steel

R30006 cobalt belongs to the cobalt alloys classification, while SAE-AISI 1010 steel belongs to the iron alloys. There are 27 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 R30006 cobalt and the bottom bar is SAE-AISI 1010 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 1.0
22 to 31
Fatigue Strength, MPa 260
150 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 900
350 to 400
Tensile Strength: Yield (Proof), MPa 540
190 to 330

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1290
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
12
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
14

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 7.8
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 500
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
82 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 670
100 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 29
12 to 14
Strength to Weight: Bending, points 24
14 to 15
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 26
11 to 13

Alloy Composition

Carbon (C), % 0.9 to 1.4
0.080 to 0.13
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Iron (Fe), % 0 to 3.0
99.18 to 99.62
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0
0 to 0.050
Tungsten (W), % 4.0 to 6.0
0