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Grade 7 Babbitt Metal vs. ASTM Grade HN Steel

Grade 7 Babbitt Metal belongs to the otherwise unclassified metals classification, while ASTM grade HN steel belongs to the iron alloys. There are 16 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 grade 7 Babbitt Metal and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
140
Elastic (Young's, Tensile) Modulus, GPa 26
200
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 9.1
77

Thermal Properties

Latent Heat of Fusion, J/g 48
310
Melting Completion (Liquidus), °C 270
1400
Melting Onset (Solidus), °C 240
1350
Specific Heat Capacity, J/kg-K 150
480
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 10
7.9
Embodied Carbon, kg CO2/kg material 4.4
4.6
Embodied Energy, MJ/kg 62
66
Embodied Water, L/kg 880
180

Common Calculations

Stiffness to Weight: Axial, points 1.4
14
Stiffness to Weight: Bending, points 9.6
25

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 14 to 16
0
Arsenic (As), % 0.3 to 0.6
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 0.1
44.9 to 57.8
Lead (Pb), % 71.9 to 76.4
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 9.3 to 10.7
0
Zinc (Zn), % 0 to 0.0050
0