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EN 1.7720 Steel vs. Grade 8 Babbitt Metal

EN 1.7720 steel belongs to the iron alloys classification, while grade 8 Babbitt Metal belongs to the otherwise unclassified metals. There are 20 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 EN 1.7720 steel and the bottom bar is grade 8 Babbitt Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
15
Elastic (Young's, Tensile) Modulus, GPa 190
24
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 73
8.5
Tensile Strength: Yield (Proof), MPa 340
23

Thermal Properties

Latent Heat of Fusion, J/g 250
46
Melting Completion (Liquidus), °C 1470
270
Melting Onset (Solidus), °C 1430
240
Specific Heat Capacity, J/kg-K 470
150
Thermal Conductivity, W/m-K 40
24
Thermal Expansion, µm/m-K 13
24

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
19
Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 2.2
3.9
Embodied Energy, MJ/kg 30
53
Embodied Water, L/kg 51
840

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 300
11
Stiffness to Weight: Axial, points 13
1.3
Stiffness to Weight: Bending, points 24
9.2
Thermal Diffusivity, mm2/s 11
16

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), % 0.1 to 0.15
0
Chromium (Cr), % 0.3 to 0.5
0
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 96.6 to 98.6
0 to 0.1
Lead (Pb), % 0
77.1 to 81.2
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.45
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
4.5 to 5.5
Vanadium (V), % 0.22 to 0.3
0
Zinc (Zn), % 0
0 to 0.0050