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R30155 Cobalt vs. EN 1.0562 Steel

Both R30155 cobalt and EN 1.0562 steel are iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 R30155 cobalt and the bottom bar is EN 1.0562 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
24
Fatigue Strength, MPa 310
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 570
350
Tensile Strength: Ultimate (UTS), MPa 850
550
Tensile Strength: Yield (Proof), MPa 390
370

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 12
50
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.3
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.7
1.6
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 300
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 370
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Carbon (C), % 0.080 to 0.16
0 to 0.18
Chromium (Cr), % 20 to 22.5
0 to 0.3
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 24.3 to 36.2
96.2 to 98.9
Manganese (Mn), % 1.0 to 2.0
1.1 to 1.7
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.080
Nickel (Ni), % 19 to 21
0 to 0.5
Niobium (Nb), % 0.75 to 1.3
0 to 0.050
Nitrogen (N), % 0 to 0.2
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tantalum (Ta), % 0.75 to 1.3
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 0.1