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EN 1.0536 Steel vs. R31538 Cobalt

EN 1.0536 steel belongs to the iron alloys classification, while R31538 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 1.0536 steel and the bottom bar is R31538 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 18
13 to 23
Fatigue Strength, MPa 340
310 to 480
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
86
Tensile Strength: Ultimate (UTS), MPa 710
1020 to 1360
Tensile Strength: Yield (Proof), MPa 510
580 to 930

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1290
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 51
13
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.7
8.1
Embodied Energy, MJ/kg 24
110
Embodied Water, L/kg 49
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 690
750 to 1920
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
34 to 45
Strength to Weight: Bending, points 23
27 to 32
Thermal Diffusivity, mm2/s 14
3.5
Thermal Shock Resistance, points 22
25 to 33

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
0
Carbon (C), % 0.16 to 0.22
0.15 to 0.35
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.7 to 68.9
Iron (Fe), % 97.2 to 98.4
0 to 0.75
Manganese (Mn), % 1.3 to 1.7
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.020
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.035
0
Vanadium (V), % 0.080 to 0.15
0