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ASTM A387 Grade 21L Class 1 vs. Grade 3 Babbitt Metal

ASTM A387 grade 21L class 1 belongs to the iron alloys classification, while grade 3 Babbitt Metal belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 21L class 1 and the bottom bar is grade 3 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
27
Elastic (Young's, Tensile) Modulus, GPa 190
56
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 74
21
Tensile Strength: Yield (Proof), MPa 230
46

Thermal Properties

Latent Heat of Fusion, J/g 260
79
Melting Completion (Liquidus), °C 1470
420
Melting Onset (Solidus), °C 1430
240
Specific Heat Capacity, J/kg-K 470
230
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
70
Density, g/cm3 7.9
7.4
Embodied Carbon, kg CO2/kg material 1.8
12
Embodied Energy, MJ/kg 23
200
Embodied Water, L/kg 62
1210

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
19
Stiffness to Weight: Axial, points 13
4.2
Stiffness to Weight: Bending, points 24
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
7.5 to 8.5
Arsenic (As), % 0
0 to 0.1
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 2.8 to 3.3
0
Copper (Cu), % 0
7.5 to 8.5
Iron (Fe), % 94.4 to 96.1
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
82.3 to 85
Zinc (Zn), % 0
0 to 0.0050