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AWS BAg-18 vs. AWS BNi-9

AWS BAg-18 belongs to the otherwise unclassified metals classification, while AWS BNi-9 belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-18 and the bottom bar is AWS BNi-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
190
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 30
72
Tensile Strength: Ultimate (UTS), MPa 170
580

Thermal Properties

Brazing Temperature, °C 720 to 980
1070 to 1200
Latent Heat of Fusion, J/g 130
300
Melting Completion (Liquidus), °C 720
1060
Melting Onset (Solidus), °C 600
1060
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.4
Embodied Carbon, kg CO2/kg material 59
9.3
Embodied Energy, MJ/kg 930
130

Common Calculations

Stiffness to Weight: Axial, points 4.7
12
Stiffness to Weight: Bending, points 15
23
Strength to Weight: Axial, points 4.9
19
Strength to Weight: Bending, points 7.0
18
Thermal Shock Resistance, points 7.7
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
3.3 to 4.0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
13.5 to 16.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 28.4 to 31.5
0
Iron (Fe), % 0
0 to 1.5
Nickel (Ni), % 0
77.1 to 83.3
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silver (Ag), % 59 to 61
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 9.5 to 10.5
0
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5