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Grade 7 Babbitt Metal vs. ACI-ASTM CG8M Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while ACI-ASTM CG8M steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is grade 7 Babbitt Metal and the bottom bar is ACI-ASTM CG8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
180
Elastic (Young's, Tensile) Modulus, GPa 26
200
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 9.1
79
Tensile Strength: Yield (Proof), MPa 25
300

Thermal Properties

Latent Heat of Fusion, J/g 48
300
Melting Completion (Liquidus), °C 270
1450
Melting Onset (Solidus), °C 240
1400
Specific Heat Capacity, J/kg-K 150
470
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
20
Density, g/cm3 10
7.9
Embodied Carbon, kg CO2/kg material 4.4
4.1
Embodied Energy, MJ/kg 62
56
Embodied Water, L/kg 880
160

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 12
220
Stiffness to Weight: Axial, points 1.4
14
Stiffness to Weight: Bending, points 9.6
25

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
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
58.8 to 70
Lead (Pb), % 71.9 to 76.4
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
9.0 to 13
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 9.3 to 10.7
0
Zinc (Zn), % 0 to 0.0050
0