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AWS BNi-8 vs. Solder Alloy 181

AWS BNi-8 belongs to the nickel alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-8 and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
18
Poisson's Ratio 0.32
0.44
Shear Modulus, GPa 67
6.1
Tensile Strength: Ultimate (UTS), MPa 570
27

Thermal Properties

Latent Heat of Fusion, J/g 390
26
Melting Completion (Liquidus), °C 1010
310
Melting Onset (Solidus), °C 980
300
Specific Heat Capacity, J/kg-K 480
130
Thermal Expansion, µm/m-K 13
29

Otherwise Unclassified Properties

Density, g/cm3 7.9
11
Embodied Carbon, kg CO2/kg material 8.2
6.2
Embodied Energy, MJ/kg 120
100

Common Calculations

Stiffness to Weight: Axial, points 12
0.86
Stiffness to Weight: Bending, points 24
7.7
Strength to Weight: Axial, points 20
0.66
Strength to Weight: Bending, points 19
1.8
Thermal Shock Resistance, points 17
3.8

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
96.2 to 98
Manganese (Mn), % 21.5 to 24.5
0
Nickel (Ni), % 61.6 to 68.5
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.25
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