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K93603 Alloy vs. R30001 Cobalt

K93603 alloy belongs to the iron alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is K93603 alloy and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
86
Tensile Strength: Ultimate (UTS), MPa 490 to 810
620

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1530
Melting Onset (Solidus), °C 1380
1260
Specific Heat Capacity, J/kg-K 460
430
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 4.8
8.9
Embodied Energy, MJ/kg 66
130
Embodied Water, L/kg 120
460

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 17 to 27
19
Strength to Weight: Bending, points 17 to 24
18
Thermal Shock Resistance, points 15 to 25
19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.050
2.0 to 3.0
Chromium (Cr), % 0 to 0.25
28 to 32
Cobalt (Co), % 0 to 0.5
43 to 59
Iron (Fe), % 61.8 to 64
0 to 3.0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 36
0 to 3.0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
11 to 13
Zirconium (Zr), % 0 to 0.1
0