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EN 1.5113 Steel vs. R31539 Cobalt

EN 1.5113 steel belongs to the iron alloys classification, while R31539 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.5113 steel and the bottom bar is R31539 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 18
13 to 22
Fatigue Strength, MPa 220 to 470
310 to 480
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
86
Tensile Strength: Ultimate (UTS), MPa 580 to 900
1000 to 1340
Tensile Strength: Yield (Proof), MPa 320 to 770
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1290
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 52
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.4
8.2
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 48
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 96
140 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 1570
780 to 2000
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 32
33 to 44
Strength to Weight: Bending, points 20 to 27
27 to 32
Thermal Diffusivity, mm2/s 14
3.5
Thermal Shock Resistance, points 17 to 26
24 to 32

Alloy Composition

Aluminum (Al), % 0
0.3 to 1.0
Carbon (C), % 0 to 0.1
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
57.7 to 68.7
Iron (Fe), % 97 to 97.5
0 to 0.75
Lanthanum (La), % 0
0.030 to 0.2
Manganese (Mn), % 1.6 to 1.8
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.9 to 1.1
0 to 1.0
Sulfur (S), % 0 to 0.025
0

Comparable Variants