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AISI 410Cb Stainless Steel vs. R30001 Cobalt

AISI 410Cb stainless steel belongs to the iron alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 410Cb stainless steel and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 15
1.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
86
Tensile Strength: Ultimate (UTS), MPa 550 to 960
620

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1450
1530
Melting Onset (Solidus), °C 1400
1260
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.8

Otherwise Unclassified Properties

Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.0
8.9
Embodied Energy, MJ/kg 29
130
Embodied Water, L/kg 97
460

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 20 to 35
19
Strength to Weight: Bending, points 19 to 28
18
Thermal Diffusivity, mm2/s 7.3
3.7
Thermal Shock Resistance, points 20 to 35
19

Alloy Composition

Carbon (C), % 0 to 0.18
2.0 to 3.0
Chromium (Cr), % 11 to 13
28 to 32
Cobalt (Co), % 0
43 to 59
Iron (Fe), % 84.5 to 89
0 to 3.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Niobium (Nb), % 0.050 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0
11 to 13