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Grade 7 Babbitt Metal vs. SAE-AISI 81B45 Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while SAE-AISI 81B45 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is SAE-AISI 81B45 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 26
190
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 9.1
73
Tensile Strength: Yield (Proof), MPa 25
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 48
250
Melting Completion (Liquidus), °C 270
1460
Melting Onset (Solidus), °C 240
1420
Specific Heat Capacity, J/kg-K 150
470
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 62
20
Embodied Water, L/kg 880
49

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 12
320 to 840
Stiffness to Weight: Axial, points 1.4
13
Stiffness to Weight: Bending, points 9.6
24

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 14 to 16
0
Arsenic (As), % 0.3 to 0.6
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0.00050 to 0.0030
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.43 to 0.48
Chromium (Cr), % 0
0.35 to 0.55
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
97 to 98
Lead (Pb), % 71.9 to 76.4
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 9.3 to 10.7
0
Zinc (Zn), % 0 to 0.0050
0