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ASTM A387 Grade 2 Steel vs. Grade 1 Babbitt Metal

ASTM A387 grade 2 steel belongs to the iron alloys classification, while grade 1 Babbitt Metal belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 2 steel and the bottom bar is grade 1 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
13
Elastic (Young's, Tensile) Modulus, GPa 190
53
Elongation at Break, % 25
34
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
20
Tensile Strength: Yield (Proof), MPa 260 to 350
30

Thermal Properties

Latent Heat of Fusion, J/g 250
70
Melting Completion (Liquidus), °C 1470
370
Melting Onset (Solidus), °C 1420
220
Specific Heat Capacity, J/kg-K 470
230
Thermal Conductivity, W/m-K 45
45
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
75
Density, g/cm3 7.9
7.3
Embodied Carbon, kg CO2/kg material 1.6
12
Embodied Energy, MJ/kg 20
200
Embodied Water, L/kg 50
1160

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
8.6
Stiffness to Weight: Axial, points 13
4.0
Stiffness to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 12
26

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
4.0 to 5.0
Arsenic (As), % 0
0 to 0.1
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0.050 to 0.21
0
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 97.1 to 98.3
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Manganese (Mn), % 0.55 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
89.3 to 92
Zinc (Zn), % 0
0 to 0.0050