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AWS BAu-5 vs. Grade CW6MC Nickel

AWS BAu-5 belongs to the otherwise unclassified metals classification, while grade CW6MC nickel belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-5 and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 50
79
Tensile Strength: Ultimate (UTS), MPa 210
540

Thermal Properties

Latent Heat of Fusion, J/g 180
330
Melting Completion (Liquidus), °C 1170
1480
Melting Onset (Solidus), °C 1140
1430
Specific Heat Capacity, J/kg-K 280
440
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 13
8.6

Common Calculations

Stiffness to Weight: Axial, points 5.8
13
Stiffness to Weight: Bending, points 13
23
Strength to Weight: Axial, points 4.5
18
Strength to Weight: Bending, points 6.0
17
Thermal Shock Resistance, points 9.0
15

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20 to 23
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
0 to 5.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 35.5 to 36.4
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Palladium (Pd), % 33.5 to 34.5
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0