AWS BNi-1 vs. AWS BNi-4
Both AWS BNi-1 and AWS BNi-4 are nickel alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.
For each property being compared, the top bar is AWS BNi-1 and the bottom bar is AWS BNi-4.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 180 | |
180 |
Poisson's Ratio | 0.3 | |
0.31 |
Shear Modulus, GPa | 70 | |
67 |
Tensile Strength: Ultimate (UTS), MPa | 450 | |
430 |
Thermal Properties
Brazing Temperature, °C | 1070 to 1200 | |
1010 to 1180 |
Latent Heat of Fusion, J/g | 360 | |
340 |
Melting Completion (Liquidus), °C | 1040 | |
1070 |
Melting Onset (Solidus), °C | 980 | |
980 |
Specific Heat Capacity, J/kg-K | 500 | |
470 |
Thermal Expansion, µm/m-K | 12 | |
11 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 55 | |
60 |
Density, g/cm3 | 8.0 | |
8.5 |
Embodied Carbon, kg CO2/kg material | 8.8 | |
10 |
Embodied Energy, MJ/kg | 120 | |
140 |
Embodied Water, L/kg | 240 | |
220 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
12 |
Stiffness to Weight: Bending, points | 24 | |
22 |
Strength to Weight: Axial, points | 16 | |
14 |
Strength to Weight: Bending, points | 16 | |
15 |
Thermal Shock Resistance, points | 15 | |
16 |
Alloy Composition
Aluminum (Al), % | 0 to 0.050 | |
0 to 0.050 |
Boron (B), % | 2.8 to 3.5 | |
1.5 to 2.2 |
Carbon (C), % | 0.6 to 0.9 | |
0 to 0.060 |
Chromium (Cr), % | 13 to 15 | |
0 |
Cobalt (Co), % | 0 to 0.1 | |
0 to 0.1 |
Iron (Fe), % | 4.0 to 5.0 | |
0 to 1.5 |
Nickel (Ni), % | 69.8 to 75.7 | |
91.4 to 95.5 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.020 |
Selenium (Se), % | 0 to 0.0050 | |
0 to 0.0050 |
Silicon (Si), % | 4.0 to 5.0 | |
3.0 to 4.0 |
Sulfur (S), % | 0 to 0.020 | |
0 to 0.020 |
Titanium (Ti), % | 0 to 0.050 | |
0 to 0.050 |
Zirconium (Zr), % | 0 to 0.050 | |
0 to 0.050 |
Residuals, % | 0 | |
0 to 0.5 |