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AWS BNi-2 vs. Grade 7 Babbitt Metal

AWS BNi-2 belongs to the nickel alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
26
Poisson's Ratio 0.3
0.4
Shear Modulus, GPa 68
9.1

Thermal Properties

Latent Heat of Fusion, J/g 360
48
Melting Completion (Liquidus), °C 1000
270
Melting Onset (Solidus), °C 970
240
Specific Heat Capacity, J/kg-K 490
150
Thermal Expansion, µm/m-K 11
26

Otherwise Unclassified Properties

Base Metal Price, % relative 55
23
Density, g/cm3 8.2
10
Embodied Carbon, kg CO2/kg material 9.3
4.4
Embodied Energy, MJ/kg 130
62
Embodied Water, L/kg 230
880

Common Calculations

Stiffness to Weight: Axial, points 12
1.4
Stiffness to Weight: Bending, points 23
9.6

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.0050
Antimony (Sb), % 0
14 to 16
Arsenic (As), % 0
0.3 to 0.6
Bismuth (Bi), % 0
0 to 0.1
Boron (B), % 2.8 to 3.5
0
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 6.0 to 8.0
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 2.5 to 3.5
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Nickel (Ni), % 79.1 to 84.8
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
9.3 to 10.7
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.0050
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0