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AWS E308H vs. Grade 8 Babbitt Metal

AWS E308H belongs to the iron alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 17 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 E308H and the bottom bar is grade 8 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
24
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 77
8.5

Thermal Properties

Latent Heat of Fusion, J/g 290
46
Melting Completion (Liquidus), °C 1420
270
Melting Onset (Solidus), °C 1380
240
Specific Heat Capacity, J/kg-K 480
150
Thermal Conductivity, W/m-K 16
24
Thermal Expansion, µm/m-K 14
24

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.8
10
Embodied Carbon, kg CO2/kg material 3.2
3.9
Embodied Energy, MJ/kg 46
53
Embodied Water, L/kg 150
840

Common Calculations

Stiffness to Weight: Axial, points 14
1.3
Stiffness to Weight: Bending, points 25
9.2
Thermal Diffusivity, mm2/s 4.2
16

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), % 0.040 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
0 to 0.5
Iron (Fe), % 62.9 to 72.5
0 to 0.1
Lead (Pb), % 0
77.1 to 81.2
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0050