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Grade 1 Babbitt Metal vs. AISI 440A Stainless Steel

Grade 1 Babbitt Metal belongs to the otherwise unclassified metals classification, while AISI 440A stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 1 Babbitt Metal and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
200
Elongation at Break, % 34
5.0 to 20
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 20
77
Tensile Strength: Yield (Proof), MPa 30
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 70
280
Melting Completion (Liquidus), °C 370
1480
Melting Onset (Solidus), °C 220
1370
Specific Heat Capacity, J/kg-K 230
480
Thermal Conductivity, W/m-K 45
23
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 16
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.0
Density, g/cm3 7.3
7.7
Embodied Carbon, kg CO2/kg material 12
2.2
Embodied Energy, MJ/kg 200
31
Embodied Water, L/kg 1160
120

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 26
6.2

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 4.0 to 5.0
0
Arsenic (As), % 0 to 0.1
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 0.080
78.4 to 83.4
Lead (Pb), % 0 to 0.35
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 89.3 to 92
0
Zinc (Zn), % 0 to 0.0050
0