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EN 1.0314 Steel vs. R30012 Cobalt

EN 1.0314 steel belongs to the iron alloys classification, while R30012 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.0314 steel and the bottom bar is R30012 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 24 to 25
1.0
Fatigue Strength, MPa 140 to 220
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
86
Tensile Strength: Ultimate (UTS), MPa 320 to 400
830
Tensile Strength: Yield (Proof), MPa 190 to 310
650

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1280
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 53
15
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
1.8

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 1.4
8.3
Embodied Energy, MJ/kg 18
120
Embodied Water, L/kg 46
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 87
7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 250
960
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 11 to 14
26
Strength to Weight: Bending, points 13 to 15
22
Thermal Diffusivity, mm2/s 14
3.8
Thermal Shock Resistance, points 10 to 13
23

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.030
1.4 to 2.0
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
47.5 to 64.1
Iron (Fe), % 99.365 to 99.78
0 to 3.0
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.1
0 to 2.0
Sulfur (S), % 0 to 0.025
0
Tungsten (W), % 0
7.5 to 9.5