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Nickel 690 vs. AWS BAu-2

Nickel 690 belongs to the nickel alloys classification, while AWS BAu-2 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is nickel 690 and the bottom bar is AWS BAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 79
36
Tensile Strength: Ultimate (UTS), MPa 640 to 990
150

Thermal Properties

Latent Heat of Fusion, J/g 320
92
Melting Completion (Liquidus), °C 1380
890
Melting Onset (Solidus), °C 1340
890
Specific Heat Capacity, J/kg-K 470
180
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Density, g/cm3 8.3
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.3
Stiffness to Weight: Bending, points 24
9.1
Strength to Weight: Axial, points 21 to 33
2.4
Strength to Weight: Bending, points 20 to 27
3.6
Thermal Shock Resistance, points 16 to 25
7.1

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
19.4 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 7.0 to 11
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.15