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AWS BNi-5 vs. Nickel 684

Both AWS BNi-5 and nickel 684 are nickel alloys. They have 71% 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-5 and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 470
1190

Thermal Properties

Latent Heat of Fusion, J/g 470
320
Melting Completion (Liquidus), °C 1140
1370
Melting Onset (Solidus), °C 1080
1320
Specific Heat Capacity, J/kg-K 510
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 8.9
10
Embodied Energy, MJ/kg 130
140
Embodied Water, L/kg 260
360

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
40
Strength to Weight: Bending, points 17
30
Thermal Shock Resistance, points 15
34

Alloy Composition


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Aluminum (Al), % 0 to 0.050
2.5 to 3.3
Boron (B), % 0 to 0.030
0.0030 to 0.010
Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 18.5 to 19.5
15 to 20
Cobalt (Co), % 0 to 0.1
13 to 20
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 0
0 to 4.0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 69.1 to 71.8
42.7 to 64
Phosphorus (P), % 0 to 0.020
0 to 0.015
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 9.8 to 10.5
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