MakeItFrom.com
Menu (ESC)

EN 2.4964 Cobalt vs. EN 1.4740 Stainless Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 40
22
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
77

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1630
1420
Melting Onset (Solidus), °C 1550
1370
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 15
18
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.6

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.6
Embodied Carbon, kg CO2/kg material 9.8
2.3
Embodied Energy, MJ/kg 140
32
Embodied Water, L/kg 450
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.9
4.8

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.3 to 0.5
Chromium (Cr), % 19 to 21
16 to 19
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
75.4 to 82.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 11
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 14 to 16
0