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Type 1 Magnetic Alloy vs. R30605 Cobalt

Type 1 magnetic alloy belongs to the iron alloys classification, while R30605 cobalt belongs to the cobalt alloys. 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 Type 1 magnetic alloy and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 4.0 to 38
34
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 500 to 830
1130 to 1900
Tensile Strength: Yield (Proof), MPa 220 to 790
470 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 460
410
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.3
9.6
Embodied Carbon, kg CO2/kg material 5.6
9.8
Embodied Energy, MJ/kg 77
140
Embodied Water, L/kg 130
450

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 17 to 28
33 to 55
Strength to Weight: Bending, points 17 to 24
25 to 36
Thermal Shock Resistance, points 16 to 26
31 to 52

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 0 to 0.3
19 to 21
Cobalt (Co), % 0 to 0.5
46.4 to 57
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 50.7 to 56.5
0 to 3.0
Manganese (Mn), % 0 to 0.8
1.0 to 2.0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 43.5 to 46.5
9.0 to 11
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
14 to 16

Comparable Variants