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Automotive Grey Cast Iron vs. C66100 Bronze

Automotive grey cast iron belongs to the iron alloys classification, while C66100 bronze belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is C66100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
120
Elongation at Break, % 9.6 to 14
8.0 to 40
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 69 to 70
43
Tensile Strength: Ultimate (UTS), MPa 140 to 290
410 to 790
Tensile Strength: Yield (Proof), MPa 94 to 200
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
260
Melting Completion (Liquidus), °C 1380 to 1390
1050
Melting Onset (Solidus), °C 1340 to 1350
1000
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 41 to 43
34
Thermal Expansion, µm/m-K 12 to 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
29
Density, g/cm3 7.5 to 7.6
8.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
2.6
Embodied Energy, MJ/kg 21 to 24
42
Embodied Water, L/kg 44 to 51
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
53 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
60 to 790
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 5.2 to 11
13 to 25
Strength to Weight: Bending, points 8.0 to 13
14 to 22
Thermal Diffusivity, mm2/s 11 to 12
9.7
Thermal Shock Resistance, points 4.2 to 8.6
15 to 29