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EN 2.4964 Cobalt vs. EN 1.4526 Stainless Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.4526 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 1.4526 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 40
25
Fatigue Strength, MPa 220
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
77
Tensile Strength: Ultimate (UTS), MPa 960
540
Tensile Strength: Yield (Proof), MPa 390
330

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1630
1450
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.9

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
2.9
Embodied Energy, MJ/kg 140
41
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
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
19
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 3.9
8.1
Thermal Shock Resistance, points 25
19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 19 to 21
16 to 18
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
77.4 to 83.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.4
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 14 to 16
0