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AWS BNi-7 vs. AWS BAg-3

AWS BNi-7 belongs to the nickel alloys classification, while AWS BAg-3 belongs to the otherwise unclassified metals. 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 BNi-7 and the bottom bar is AWS BAg-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
80
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 67
30
Tensile Strength: Ultimate (UTS), MPa 550
170

Thermal Properties

Brazing Temperature, °C 930 to 1090
690 to 900
Latent Heat of Fusion, J/g 280
120
Melting Completion (Liquidus), °C 890
690
Melting Onset (Solidus), °C 890
630
Specific Heat Capacity, J/kg-K 490
290
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Density, g/cm3 8.0
9.3
Embodied Carbon, kg CO2/kg material 8.8
49
Embodied Energy, MJ/kg 120
770

Common Calculations

Stiffness to Weight: Axial, points 12
4.8
Stiffness to Weight: Bending, points 23
15
Strength to Weight: Axial, points 19
5.1
Strength to Weight: Bending, points 19
7.3
Thermal Shock Resistance, points 21
6.9

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Cadmium (Cd), % 0
15 to 17
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 13 to 15
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
14.5 to 16.5
Iron (Fe), % 0 to 0.2
0
Manganese (Mn), % 0 to 0.040
0
Nickel (Ni), % 73.3 to 77.3
2.5 to 3.5
Phosphorus (P), % 9.7 to 10.5
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
49 to 51
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
13.5 to 17.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15