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AWS ERNiCrCoMo-1 vs. R30035 Cobalt

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while R30035 cobalt belongs to the cobalt alloys. They have 77% of their average alloy composition in common. 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 AWS ERNiCrCoMo-1 and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220 to 230
Elongation at Break, % 28
9.0 to 46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
84 to 89
Tensile Strength: Ultimate (UTS), MPa 710
900 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1320
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 75
100
Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 10
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 350
410

Common Calculations

Stiffness to Weight: Axial, points 14
14 to 15
Stiffness to Weight: Bending, points 23
23 to 24
Strength to Weight: Axial, points 23
29 to 61
Strength to Weight: Bending, points 21
24 to 39
Thermal Diffusivity, mm2/s 3.5
3.0
Thermal Shock Resistance, points 19
23 to 46

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0
0 to 0.015
Carbon (C), % 0.050 to 0.15
0 to 0.025
Chromium (Cr), % 20 to 24
19 to 21
Cobalt (Co), % 10 to 15
29.1 to 39
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
0 to 1.0
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 8.0 to 10
9.0 to 10.5
Nickel (Ni), % 42.7 to 61.2
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.6
0 to 1.0
Residuals, % 0 to 0.5
0