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SAE-AISI 1010 Steel vs. R30006 Cobalt

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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