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EN 1.3963 Alloy vs. R30003 Cobalt

EN 1.3963 alloy belongs to the iron alloys classification, while R30003 cobalt belongs to the cobalt alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 29
10 to 73
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
83
Tensile Strength: Ultimate (UTS), MPa 440
970 to 1720
Tensile Strength: Yield (Proof), MPa 310
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1440
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
95
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 4.8
8.0
Embodied Energy, MJ/kg 66
110
Embodied Water, L/kg 110
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 260
600 to 2790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
32 to 57
Strength to Weight: Bending, points 16
26 to 38
Thermal Shock Resistance, points 110
26 to 45

Alloy Composition

Boron (B), % 0
0 to 0.1
Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 0 to 0.25
19 to 21
Cobalt (Co), % 0
39 to 41
Iron (Fe), % 60.5 to 64.9
10 to 20.5
Manganese (Mn), % 0 to 0.5
1.5 to 2.5
Molybdenum (Mo), % 0 to 1.0
6.0 to 8.0
Nickel (Ni), % 35 to 37
14 to 16
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 1.2
Sulfur (S), % 0.1 to 0.2
0 to 0.015