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AWS ENiCrMo-4 vs. R30016 Cobalt

AWS ENiCrMo-4 belongs to the nickel alloys classification, while R30016 cobalt belongs to the cobalt alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCrMo-4 and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 28
8.4
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
85
Tensile Strength: Ultimate (UTS), MPa 790
1010

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1590
1360
Melting Onset (Solidus), °C 1530
1270
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 13
7.7
Embodied Energy, MJ/kg 170
110
Embodied Water, L/kg 280
500

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
33
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 22
24

Alloy Composition

Carbon (C), % 0 to 0.020
0.9 to 1.4
Chromium (Cr), % 14.5 to 16.5
28 to 32
Cobalt (Co), % 0 to 2.5
49.6 to 66.9
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
0.5 to 2.0
Molybdenum (Mo), % 15 to 17
0 to 1.5
Nickel (Ni), % 49.9 to 63.5
0 to 3.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.2
0.2 to 2.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 3.0 to 4.5
3.5 to 5.5
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0