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Grade 7 Babbitt Metal vs. ASTM A232 Spring Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while ASTM A232 spring steel belongs to the iron alloys. There are 17 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 ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
540
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
1610

Thermal Properties

Latent Heat of Fusion, J/g 48
250
Melting Completion (Liquidus), °C 270
1460
Melting Onset (Solidus), °C 240
1410
Specific Heat Capacity, J/kg-K 150
470
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.0
Embodied Energy, MJ/kg 62
28
Embodied Water, L/kg 880
51

Common Calculations

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
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
96.8 to 97.7
Lead (Pb), % 71.9 to 76.4
0
Manganese (Mn), % 0
0.7 to 0.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 9.3 to 10.7
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 0.0050
0