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ACI-ASTM CN7MS Steel vs. Grade 7 Babbitt Metal

ACI-ASTM CN7MS 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 (13, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is grade 7 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
23
Elastic (Young's, Tensile) Modulus, GPa 200
26
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 77
9.1
Tensile Strength: Yield (Proof), MPa 230
25

Thermal Properties

Latent Heat of Fusion, J/g 340
48
Melting Completion (Liquidus), °C 1400
270
Melting Onset (Solidus), °C 1350
240
Specific Heat Capacity, J/kg-K 480
150
Thermal Expansion, µm/m-K 16
26

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 5.1
4.4
Embodied Energy, MJ/kg 71
62
Embodied Water, L/kg 180
880

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
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 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
0 to 0.5
Iron (Fe), % 45.4 to 53.5
0 to 0.1
Lead (Pb), % 0
71.9 to 76.4
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 2.5 to 3.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
9.3 to 10.7
Zinc (Zn), % 0
0 to 0.0050