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EN 1.5662 Steel vs. R30006 Cobalt

EN 1.5662 steel belongs to the iron alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.5662 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, % 20
1.0
Fatigue Strength, MPa 380 to 450
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
85
Tensile Strength: Ultimate (UTS), MPa 740 to 750
900
Tensile Strength: Yield (Proof), MPa 550 to 660
540

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1290
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.3
7.8
Embodied Energy, MJ/kg 31
110
Embodied Water, L/kg 63
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1150
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 23
24
Thermal Shock Resistance, points 22
26

Alloy Composition

Carbon (C), % 0 to 0.1
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Iron (Fe), % 88.6 to 91.2
0 to 3.0
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 8.5 to 10
0 to 3.0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.35
0 to 2.0
Sulfur (S), % 0 to 0.0050
0
Tungsten (W), % 0
4.0 to 6.0
Vanadium (V), % 0 to 0.050
0