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AWS ERNiCrMo-10 vs. G-CoCr28 Cobalt

AWS ERNiCrMo-10 belongs to the nickel alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-10 and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 28
6.7
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
83
Tensile Strength: Ultimate (UTS), MPa 790
560

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1550
1330
Melting Onset (Solidus), °C 1490
1270
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 10
8.5
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
100
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 12
6.2
Embodied Energy, MJ/kg 160
84
Embodied Water, L/kg 300
440

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 2.7
2.2
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.015
0.050 to 0.25
Chromium (Cr), % 20 to 22.5
27 to 30
Cobalt (Co), % 0 to 2.5
48 to 52
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.0 to 6.0
9.7 to 24.5
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 12.5 to 14.5
0 to 0.5
Nickel (Ni), % 49 to 63
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.080
0.5 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0