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AWS BNi-4 vs. Grade 7 Babbitt Metal

AWS BNi-4 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-4 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 0.31
0.4
Shear Modulus, GPa 67
9.1

Thermal Properties

Latent Heat of Fusion, J/g 340
48
Melting Completion (Liquidus), °C 1070
270
Melting Onset (Solidus), °C 980
240
Specific Heat Capacity, J/kg-K 470
150
Thermal Expansion, µm/m-K 11
26

Otherwise Unclassified Properties

Base Metal Price, % relative 60
23
Density, g/cm3 8.5
10
Embodied Carbon, kg CO2/kg material 10
4.4
Embodied Energy, MJ/kg 140
62
Embodied Water, L/kg 220
880

Common Calculations

Stiffness to Weight: Axial, points 12
1.4
Stiffness to Weight: Bending, points 22
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), % 1.5 to 2.2
0
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 1.5
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Nickel (Ni), % 91.4 to 95.5
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
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