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AWS BNi-3 vs. Nickel 684

Both AWS BNi-3 and nickel 684 are nickel alloys. They have 54% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-3 and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 66
76
Tensile Strength: Ultimate (UTS), MPa 430
1190

Thermal Properties

Latent Heat of Fusion, J/g 350
320
Melting Completion (Liquidus), °C 1040
1370
Melting Onset (Solidus), °C 980
1320
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 9.9
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 220
360

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 14
40
Strength to Weight: Bending, points 15
30
Thermal Shock Resistance, points 17
34

Alloy Composition

Aluminum (Al), % 0 to 0.050
2.5 to 3.3
Boron (B), % 2.8 to 3.5
0.0030 to 0.010
Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 0
15 to 20
Cobalt (Co), % 0 to 0.1
13 to 20
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 0 to 0.5
0 to 4.0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 90.1 to 93.3
42.7 to 64
Phosphorus (P), % 0 to 0.020
0 to 0.015
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
2.5 to 3.3
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0