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AWS E383 vs. G-CoCr28 Cobalt

AWS E383 belongs to the iron alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. They have 48% of their average alloy composition in common. There are 22 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 E383 and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 34
6.7
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
83
Tensile Strength: Ultimate (UTS), MPa 580
560

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1420
1330
Melting Onset (Solidus), °C 1370
1270
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
8.5
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
100
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 6.4
6.2
Embodied Energy, MJ/kg 89
84
Embodied Water, L/kg 240
440

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 3.1
2.2
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.25
Chromium (Cr), % 26.5 to 29
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
9.7 to 24.5
Manganese (Mn), % 0.5 to 2.5
0 to 1.5
Molybdenum (Mo), % 3.2 to 4.2
0 to 0.5
Nickel (Ni), % 30 to 33
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 0.9
0.5 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.030