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EN 2.4964 Cobalt vs. ASTM A148 Cast Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while ASTM A148 cast 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 A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
5.7 to 25
Fatigue Strength, MPa 220
280 to 670
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
73
Tensile Strength: Ultimate (UTS), MPa 960
630 to 1300
Tensile Strength: Yield (Proof), MPa 390
390 to 1160

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
37 to 47
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.3 to 7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.3 to 8.6

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.5 to 1.7
Embodied Energy, MJ/kg 140
20 to 22
Embodied Water, L/kg 450
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 340
400 to 3570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
22 to 46
Strength to Weight: Bending, points 23
21 to 34
Thermal Diffusivity, mm2/s 3.9
9.9 to 13
Thermal Shock Resistance, points 25
18 to 38