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EN 2.4964 Cobalt vs. ASTM A572 Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while ASTM A572 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
18 to 25
Fatigue Strength, MPa 220
240 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
73
Tensile Strength: Ultimate (UTS), MPa 960
470 to 620
Tensile Strength: Yield (Proof), MPa 390
330 to 510

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
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.2 to 8.3

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.6
Embodied Energy, MJ/kg 140
22
Embodied Water, L/kg 450
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
290 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
17 to 22
Strength to Weight: Bending, points 23
17 to 21
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 25
14 to 18