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EN 2.4964 Cobalt vs. ASTM A266 Carbon Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while ASTM A266 carbon steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is ASTM A266 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
21 to 26
Fatigue Strength, MPa 220
170 to 200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
73
Tensile Strength: Ultimate (UTS), MPa 960
500 to 600
Tensile Strength: Yield (Proof), MPa 390
230 to 290

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1630
1460
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 15
51 to 52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.1 to 8.2

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.4
Embodied Energy, MJ/kg 140
18 to 19
Embodied Water, L/kg 450
46 to 47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
140 to 230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
18 to 21
Strength to Weight: Bending, points 23
18 to 20
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 25
16 to 19