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AWS BNi-1a vs. AWS BAg-20

AWS BNi-1a belongs to the nickel alloys classification, while AWS BAg-20 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-1a and the bottom bar is AWS BAg-20.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
93
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 70
35
Tensile Strength: Ultimate (UTS), MPa 450
160

Thermal Properties

Brazing Temperature, °C 1080 to 1200
770 to 900
Latent Heat of Fusion, J/g 370
150
Melting Completion (Liquidus), °C 1080
770
Melting Onset (Solidus), °C 980
680
Specific Heat Capacity, J/kg-K 500
340
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 8.8
30
Embodied Energy, MJ/kg 120
480

Common Calculations

Stiffness to Weight: Axial, points 13
6.0
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 16
5.1
Strength to Weight: Bending, points 16
7.6
Thermal Shock Resistance, points 15
5.9

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 13 to 15
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
37 to 39
Iron (Fe), % 4.0 to 5.0
0
Nickel (Ni), % 70.6 to 76.3
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0
Silver (Ag), % 0
29 to 31
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
30 to 34
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15