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AWS BAu-6 vs. Grade CU5MCuC Nickel

AWS BAu-6 belongs to the otherwise unclassified metals classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have a modest 22% 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 (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-6 and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 190
580

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Melting Completion (Liquidus), °C 1050
1420
Melting Onset (Solidus), °C 1010
1370
Specific Heat Capacity, J/kg-K 210
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 16
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.0
13
Stiffness to Weight: Bending, points 10
24
Strength to Weight: Axial, points 3.2
20
Strength to Weight: Bending, points 4.5
19
Thermal Shock Resistance, points 8.5
16

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.5
Gold (Au), % 69.5 to 70.5
0
Iron (Fe), % 0
22.2 to 37.9
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 21.5 to 22.5
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Palladium (Pd), % 7.5 to 8.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0