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AWS BAg-9 vs. AWS BNi-4

AWS BAg-9 belongs to the otherwise unclassified metals classification, while AWS BNi-4 belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-9 and the bottom bar is AWS BNi-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
180
Poisson's Ratio 0.35
0.31
Shear Modulus, GPa 31
67
Tensile Strength: Ultimate (UTS), MPa 140
430

Thermal Properties

Brazing Temperature, °C 720 to 840
1010 to 1180
Latent Heat of Fusion, J/g 130
340
Melting Completion (Liquidus), °C 720
1070
Melting Onset (Solidus), °C 670
980
Specific Heat Capacity, J/kg-K 290
470
Thermal Expansion, µm/m-K 20
11

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.5
Embodied Energy, MJ/kg 980
140

Common Calculations

Stiffness to Weight: Axial, points 4.8
12
Stiffness to Weight: Bending, points 15
22
Strength to Weight: Axial, points 4.1
14
Strength to Weight: Bending, points 6.3
15
Thermal Shock Resistance, points 6.0
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
1.5 to 2.2
Carbon (C), % 0
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 19 to 21
0
Iron (Fe), % 0
0 to 1.5
Nickel (Ni), % 0
91.4 to 95.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
3.0 to 4.0
Silver (Ag), % 64 to 66
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 13 to 17
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5