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R30006 Cobalt vs. AWS E110C-K4

R30006 cobalt belongs to the cobalt alloys classification, while AWS E110C-K4 belongs to the iron alloys. There are 26 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 R30006 cobalt and the bottom bar is AWS E110C-K4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 1.0
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 900
850
Tensile Strength: Yield (Proof), MPa 540
780

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1290
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
9.2

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 7.8
1.7
Embodied Energy, MJ/kg 110
23
Embodied Water, L/kg 500
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
140
Resilience: Unit (Modulus of Resilience), kJ/m3 670
1600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 29
30
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 26
25

Alloy Composition


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Carbon (C), % 0.9 to 1.4
0 to 0.15
Chromium (Cr), % 27 to 32
0.15 to 0.65
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 0 to 3.0
92.1 to 98.4
Manganese (Mn), % 0
0.75 to 2.3
Molybdenum (Mo), % 0 to 1.0
0.25 to 0.65
Nickel (Ni), % 0 to 3.0
0.5 to 2.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Tungsten (W), % 4.0 to 6.0
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5