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Type 1 Magnetic Alloy vs. R31537 Cobalt

Type 1 magnetic alloy belongs to the iron alloys classification, while R31537 cobalt belongs to the cobalt alloys. There are 24 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 Type 1 magnetic 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, % 4.0 to 38
14 to 23
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
87
Tensile Strength: Ultimate (UTS), MPa 500 to 830
1000 to 1340
Tensile Strength: Yield (Proof), MPa 220 to 790
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1370
1290
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 5.6
8.1
Embodied Energy, MJ/kg 77
110
Embodied Water, L/kg 130
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 150
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1690
780 to 1990
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 17 to 28
33 to 44
Strength to Weight: Bending, points 17 to 24
26 to 32
Thermal Shock Resistance, points 16 to 26
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.14
Chromium (Cr), % 0 to 0.3
26 to 30
Cobalt (Co), % 0 to 0.5
58.9 to 69
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 50.7 to 56.5
0 to 0.75
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
5.0 to 7.0
Nickel (Ni), % 43.5 to 46.5
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0

Comparable Variants