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EN 1.4596 Stainless Steel vs. EN 2.4964 Cobalt

EN 1.4596 stainless steel belongs to the iron alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 18 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 1.4596 stainless steel and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
86
Tensile Strength: Ultimate (UTS), MPa 1030 to 1600
960

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1450
1630
Melting Onset (Solidus), °C 1410
1550
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Density, g/cm3 7.9
9.6
Embodied Carbon, kg CO2/kg material 3.5
9.8
Embodied Energy, MJ/kg 48
140
Embodied Water, L/kg 130
450

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 36 to 56
28
Strength to Weight: Bending, points 29 to 39
23
Thermal Shock Resistance, points 35 to 54
25

Alloy Composition

Aluminum (Al), % 0.8 to 1.1
0
Carbon (C), % 0 to 0.015
0.050 to 0.15
Chromium (Cr), % 11.5 to 12.5
19 to 21
Cobalt (Co), % 0
46.4 to 58
Iron (Fe), % 73.4 to 76.4
0 to 3.0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 1.9 to 2.2
0
Nickel (Ni), % 9.2 to 10.2
9.0 to 11
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0.28 to 0.4
0
Tungsten (W), % 0
14 to 16