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Grade 3 Babbitt Metal vs. Grade 7 Babbitt Metal

Both grade 3 Babbitt Metal and grade 7 Babbitt Metal are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition.

For each property being compared, the top bar is grade 3 Babbitt Metal and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 27
23
Compressive (Crushing) Strength, MPa 120
110
Elastic (Young's, Tensile) Modulus, GPa 56
26
Poisson's Ratio 0.35
0.4
Shear Modulus, GPa 21
9.1
Tensile Strength: Yield (Proof), MPa 46
25

Thermal Properties

Latent Heat of Fusion, J/g 79
48
Melting Completion (Liquidus), °C 420
270
Melting Onset (Solidus), °C 240
240
Specific Heat Capacity, J/kg-K 230
150
Thermal Expansion, µm/m-K 21
26

Otherwise Unclassified Properties

Base Metal Price, % relative 70
23
Density, g/cm3 7.4
10
Embodied Carbon, kg CO2/kg material 12
4.4
Embodied Energy, MJ/kg 200
62
Embodied Water, L/kg 1210
880

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 19
12
Stiffness to Weight: Axial, points 4.2
1.4
Stiffness to Weight: Bending, points 17
9.6

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 7.5 to 8.5
14 to 16
Arsenic (As), % 0 to 0.1
0.3 to 0.6
Bismuth (Bi), % 0 to 0.080
0 to 0.1
Cadmium (Cd), % 0 to 0.050
0 to 0.050
Copper (Cu), % 7.5 to 8.5
0 to 0.5
Iron (Fe), % 0 to 0.080
0 to 0.1
Lead (Pb), % 0 to 0.35
71.9 to 76.4
Tin (Sn), % 82.3 to 85
9.3 to 10.7
Zinc (Zn), % 0 to 0.0050
0 to 0.0050