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SAE-AISI H12 Steel vs. Grade 1 Babbitt Metal

SAE-AISI H12 steel belongs to the iron alloys classification, while grade 1 Babbitt Metal belongs to the otherwise unclassified metals. There are 19 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 SAE-AISI H12 steel and the bottom bar is grade 1 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
53
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 75
20

Thermal Properties

Latent Heat of Fusion, J/g 270
70
Melting Completion (Liquidus), °C 1480
370
Melting Onset (Solidus), °C 1440
220
Specific Heat Capacity, J/kg-K 470
230
Thermal Conductivity, W/m-K 36
45
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
13
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
75
Density, g/cm3 7.9
7.3
Embodied Carbon, kg CO2/kg material 2.9
12
Embodied Energy, MJ/kg 41
200
Embodied Water, L/kg 76
1160

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 9.8
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), % 0.3 to 0.4
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
4.0 to 5.0
Iron (Fe), % 87.8 to 91.7
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
89.3 to 92
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0
Zinc (Zn), % 0
0 to 0.0050