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AWS BVAu-7 vs. Grade CU5MCuC Nickel

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have a modest 25% 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 BVAu-7 and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
200
Poisson's Ratio 0.38
0.28
Shear Modulus, GPa 45
77
Tensile Strength: Ultimate (UTS), MPa 200
580

Thermal Properties

Latent Heat of Fusion, J/g 140
310
Melting Completion (Liquidus), °C 1120
1420
Melting Onset (Solidus), °C 1100
1370
Specific Heat Capacity, J/kg-K 240
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 15
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 11
24
Strength to Weight: Axial, points 3.7
20
Strength to Weight: Bending, points 5.1
19
Thermal Shock Resistance, points 8.9
16

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.050
Chromium (Cr), % 0
19.5 to 23.5
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
1.5 to 3.5
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
22.2 to 37.9
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 24.5 to 25.5
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0