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ACI-ASTM CK20 Steel vs. Grade 2 Babbitt Metal

ACI-ASTM CK20 steel belongs to the iron alloys classification, while grade 2 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 ACI-ASTM CK20 steel and the bottom bar is grade 2 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
25
Elastic (Young's, Tensile) Modulus, GPa 200
53
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 78
19
Tensile Strength: Yield (Proof), MPa 260
42

Thermal Properties

Latent Heat of Fusion, J/g 310
72
Melting Completion (Liquidus), °C 1400
350
Melting Onset (Solidus), °C 1430
240
Specific Heat Capacity, J/kg-K 480
230
Thermal Expansion, µm/m-K 15
21

Otherwise Unclassified Properties

Base Metal Price, % relative 25
70
Density, g/cm3 7.8
7.3
Embodied Carbon, kg CO2/kg material 4.4
12
Embodied Energy, MJ/kg 62
200
Embodied Water, L/kg 190
1240

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 170
17
Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 25
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
7.0 to 8.0
Arsenic (As), % 0
0 to 0.1
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 46.7 to 58
0 to 0.080
Lead (Pb), % 0
0 to 0.35
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
87.3 to 90
Zinc (Zn), % 0
0 to 0.0050