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Nickel 625 vs. AWS BVAu-7

Nickel 625 belongs to the nickel alloys classification, while AWS BVAu-7 belongs to the otherwise unclassified metals. 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 (17, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is AWS BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 79
45
Tensile Strength: Ultimate (UTS), MPa 790 to 910
200

Thermal Properties

Latent Heat of Fusion, J/g 330
140
Melting Completion (Liquidus), °C 1350
1120
Melting Onset (Solidus), °C 1290
1100
Specific Heat Capacity, J/kg-K 440
240
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 8.6
15

Common Calculations

Stiffness to Weight: Axial, points 13
4.7
Stiffness to Weight: Bending, points 23
11
Strength to Weight: Axial, points 26 to 29
3.7
Strength to Weight: Bending, points 22 to 24
5.1
Thermal Shock Resistance, points 22 to 25
8.9

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.1
0 to 0.0050
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0 to 0.060
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 0 to 5.0
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
24.5 to 25.5
Niobium (Nb), % 3.2 to 4.2
0
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0 to 0.015
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Zinc (Zn), % 0
0 to 0.0010