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R30075 Cobalt vs. AWS ENiCrFe-2

R30075 cobalt belongs to the cobalt alloys classification, while AWS ENiCrFe-2 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R30075 cobalt and the bottom bar is AWS ENiCrFe-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210 to 250
190
Elongation at Break, % 12
28
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 82 to 98
74
Tensile Strength: Ultimate (UTS), MPa 780 to 1280
790

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1360
1390
Melting Onset (Solidus), °C 1290
1350
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 8.1
11
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 530
260

Common Calculations

Stiffness to Weight: Axial, points 14 to 17
13
Stiffness to Weight: Bending, points 24 to 25
23
Strength to Weight: Axial, points 26 to 42
26
Strength to Weight: Bending, points 22 to 31
22
Thermal Shock Resistance, points 21 to 29
24

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.35
0 to 0.1
Chromium (Cr), % 27 to 30
13 to 17
Cobalt (Co), % 58.7 to 68
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 0.75
0 to 12
Manganese (Mn), % 0 to 1.0
1.0 to 3.5
Molybdenum (Mo), % 5.0 to 7.0
0.5 to 2.5
Nickel (Ni), % 0 to 0.5
62 to 85
Niobium (Nb), % 0
0.5 to 4.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0 to 0.2
0
Residuals, % 0
0 to 0.5