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EN 2.4964 Cobalt vs. SAE-AISI H10 Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while SAE-AISI H10 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
74
Tensile Strength: Ultimate (UTS), MPa 960
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1630
1470
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 15
38
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.2

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
3.4
Embodied Energy, MJ/kg 140
48
Embodied Water, L/kg 450
71

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
24 to 72
Strength to Weight: Bending, points 23
22 to 46
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 25
22 to 66

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.35 to 0.45
Chromium (Cr), % 19 to 21
3.0 to 3.8
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
89.5 to 93.4
Manganese (Mn), % 0 to 2.0
0.25 to 0.7
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 9.0 to 11
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.4
0.8 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0
0.25 to 0.75