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Automotive Grey Cast Iron vs. C61000 Bronze

Automotive grey cast iron belongs to the iron alloys classification, while C61000 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is C61000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 9.6 to 14
29 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 69 to 70
42
Tensile Strength: Ultimate (UTS), MPa 140 to 290
390 to 460
Tensile Strength: Yield (Proof), MPa 94 to 200
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
220
Melting Completion (Liquidus), °C 1380 to 1390
1040
Melting Onset (Solidus), °C 1340 to 1350
990
Specific Heat Capacity, J/kg-K 490
420
Thermal Conductivity, W/m-K 41 to 43
69
Thermal Expansion, µm/m-K 12 to 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
29
Density, g/cm3 7.5 to 7.6
8.5
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
3.0
Embodied Energy, MJ/kg 21 to 24
49
Embodied Water, L/kg 44 to 51
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
110 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
100 to 160
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 15
Strength to Weight: Bending, points 8.0 to 13
14 to 16
Thermal Diffusivity, mm2/s 11 to 12
19
Thermal Shock Resistance, points 4.2 to 8.6
14 to 16