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AISI 420F Stainless Steel vs. Grade 7 Babbitt Metal

AISI 420F stainless steel belongs to the iron alloys classification, while grade 7 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 (16, in this case) are not shown.

For each property being compared, the top bar is AISI 420F stainless steel and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
23
Elastic (Young's, Tensile) Modulus, GPa 190
26
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 76
9.1
Tensile Strength: Yield (Proof), MPa 430
25

Thermal Properties

Latent Heat of Fusion, J/g 270
48
Melting Completion (Liquidus), °C 1440
270
Melting Onset (Solidus), °C 1390
240
Specific Heat Capacity, J/kg-K 480
150
Thermal Expansion, µm/m-K 10
26

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
23
Density, g/cm3 7.7
10
Embodied Carbon, kg CO2/kg material 2.0
4.4
Embodied Energy, MJ/kg 28
62
Embodied Water, L/kg 100
880

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 480
12
Stiffness to Weight: Axial, points 14
1.4
Stiffness to Weight: Bending, points 25
9.6

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), % 0.3 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 82.4 to 87.6
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Manganese (Mn), % 0 to 1.3
0
Molybdenum (Mo), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
9.3 to 10.7
Zinc (Zn), % 0
0 to 0.0050