MakeItFrom.com
Menu (ESC)

R30605 Cobalt vs. AWS E409Nb

R30605 cobalt belongs to the cobalt alloys classification, while AWS E409Nb belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is AWS E409Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
500
Tensile Strength: Yield (Proof), MPa 470 to 1600
380

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 9.6
25
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.3

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
2.9
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 450
100

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 33 to 55
18
Strength to Weight: Bending, points 25 to 36
18
Thermal Diffusivity, mm2/s 2.5
6.8
Thermal Shock Resistance, points 31 to 52
14

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.12
Chromium (Cr), % 19 to 21
11 to 14
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 3.0
80.2 to 88.5
Manganese (Mn), % 1.0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 9.0 to 11
0 to 0.6
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 14 to 16
0