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EN 1.3963 Alloy vs. R31537 Cobalt

EN 1.3963 alloy belongs to the iron alloys classification, while R31537 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 29
14 to 23
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
87
Tensile Strength: Ultimate (UTS), MPa 440
1000 to 1340
Tensile Strength: Yield (Proof), MPa 310
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1390
1290
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 4.8
8.1
Embodied Energy, MJ/kg 66
110
Embodied Water, L/kg 110
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 260
780 to 1990
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
33 to 44
Strength to Weight: Bending, points 16
26 to 32
Thermal Shock Resistance, points 110
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.14
Chromium (Cr), % 0 to 0.25
26 to 30
Cobalt (Co), % 0
58.9 to 69
Iron (Fe), % 60.5 to 64.9
0 to 0.75
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
5.0 to 7.0
Nickel (Ni), % 35 to 37
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.1 to 0.2
0