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EN 2.4964 Cobalt vs. EN 1.4150 Stainless Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.4150 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 220
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
76
Tensile Strength: Ultimate (UTS), MPa 960
730
Tensile Strength: Yield (Proof), MPa 390
430

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1630
1420
Melting Onset (Solidus), °C 1550
1380
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.8

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.6
Embodied Carbon, kg CO2/kg material 9.8
2.8
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 450
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.9
6.2
Thermal Shock Resistance, points 25
27

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.45 to 0.6
Chromium (Cr), % 19 to 21
15 to 16.5
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
79 to 82.8
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 9.0 to 11
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.4
1.3 to 1.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0
0.2 to 0.4