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AWS E33-31 vs. Grade 8 Babbitt Metal

AWS E33-31 belongs to the iron alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is grade 8 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
24
Poisson's Ratio 0.27
0.41
Shear Modulus, GPa 81
8.5

Thermal Properties

Latent Heat of Fusion, J/g 320
46
Melting Completion (Liquidus), °C 1380
270
Melting Onset (Solidus), °C 1330
240
Specific Heat Capacity, J/kg-K 480
150
Thermal Expansion, µm/m-K 14
24

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 6.0
3.9
Embodied Energy, MJ/kg 86
53
Embodied Water, L/kg 260
840

Common Calculations

Stiffness to Weight: Axial, points 14
1.3
Stiffness to Weight: Bending, points 25
9.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
14 to 16
Arsenic (As), % 0
0.3 to 0.6
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
0 to 0.5
Iron (Fe), % 24.7 to 34.8
0 to 0.1
Lead (Pb), % 0
77.1 to 81.2
Manganese (Mn), % 2.5 to 4.0
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0050