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AWS BNi-6 vs. AWS BVAg-31

AWS BNi-6 belongs to the nickel alloys classification, while AWS BVAg-31 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-6 and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
90
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 62
33
Tensile Strength: Ultimate (UTS), MPa 450
180

Thermal Properties

Brazing Temperature, °C 930 to 1090
850 to 890
Latent Heat of Fusion, J/g 260
150
Melting Completion (Liquidus), °C 880
850
Melting Onset (Solidus), °C 880
820
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 9.8
18

Otherwise Unclassified Properties

Density, g/cm3 8.2
10

Common Calculations

Stiffness to Weight: Axial, points 11
4.9
Stiffness to Weight: Bending, points 22
15
Strength to Weight: Axial, points 15
4.9
Strength to Weight: Bending, points 16
7.0
Thermal Shock Resistance, points 20
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.060
0 to 0.0050
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
31 to 33
Lead (Pb), % 0
0 to 0.0020
Nickel (Ni), % 87.2 to 90
0
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 10 to 12
0 to 0.0020
Selenium (Se), % 0 to 0.0050
0
Silver (Ag), % 0
57 to 59
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.0010
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0