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Automotive Grey Cast Iron vs. C54400 Bronze

Automotive grey cast iron belongs to the iron alloys classification, while C54400 bronze belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is C54400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 69 to 70
40
Tensile Strength: Ultimate (UTS), MPa 140 to 290
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
190
Melting Completion (Liquidus), °C 1380 to 1390
1000
Melting Onset (Solidus), °C 1340 to 1350
930
Specific Heat Capacity, J/kg-K 490
370
Thermal Conductivity, W/m-K 41 to 43
86
Thermal Expansion, µm/m-K 12 to 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
19
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
19

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
31
Density, g/cm3 7.5 to 7.6
8.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
2.9
Embodied Energy, MJ/kg 21 to 24
48
Embodied Water, L/kg 44 to 51
340

Common Calculations

Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 5.2 to 11
10 to 22
Strength to Weight: Bending, points 8.0 to 13
12 to 20
Thermal Diffusivity, mm2/s 11 to 12
26
Thermal Shock Resistance, points 4.2 to 8.6
12 to 26