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AWS E410 vs. R30006 Cobalt

AWS E410 belongs to the iron alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E410 and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 23
1.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 580
900
Tensile Strength: Yield (Proof), MPa 440
540

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1290
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.0
7.8
Embodied Energy, MJ/kg 28
110
Embodied Water, L/kg 100
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 500
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 7.5
3.9
Thermal Shock Resistance, points 16
26

Alloy Composition

Carbon (C), % 0 to 0.12
0.9 to 1.4
Chromium (Cr), % 11 to 13.5
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 82.2 to 89
0 to 3.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0 to 1.0
Nickel (Ni), % 0 to 0.7
0 to 3.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.9
0 to 2.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0
4.0 to 6.0