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R30075 Cobalt vs. K93603 Alloy

R30075 cobalt belongs to the cobalt alloys classification, while K93603 alloy belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R30075 cobalt and the bottom bar is K93603 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210 to 250
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 82 to 98
72
Tensile Strength: Ultimate (UTS), MPa 780 to 1280
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1290
1380
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.1
4.8
Embodied Energy, MJ/kg 110
66
Embodied Water, L/kg 530
120

Common Calculations

Stiffness to Weight: Axial, points 14 to 17
13
Stiffness to Weight: Bending, points 24 to 25
23
Strength to Weight: Axial, points 26 to 42
17 to 27
Strength to Weight: Bending, points 22 to 31
17 to 24
Thermal Shock Resistance, points 21 to 29
15 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.1
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.35
0 to 0.050
Chromium (Cr), % 27 to 30
0 to 0.25
Cobalt (Co), % 58.7 to 68
0 to 0.5
Iron (Fe), % 0 to 0.75
61.8 to 64
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 0.5
36
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 0.1
0 to 0.1
Tungsten (W), % 0 to 0.2
0
Zirconium (Zr), % 0
0 to 0.1

Comparable Variants