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Automotive Grey Cast Iron vs. C82400 Copper

Automotive grey cast iron belongs to the iron alloys classification, while C82400 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
120
Elongation at Break, % 9.6 to 14
1.0 to 20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 69 to 70
45
Tensile Strength: Ultimate (UTS), MPa 140 to 290
500 to 1030
Tensile Strength: Yield (Proof), MPa 94 to 200
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
230
Melting Completion (Liquidus), °C 1380 to 1390
1000
Melting Onset (Solidus), °C 1340 to 1350
900
Specific Heat Capacity, J/kg-K 490
380
Thermal Conductivity, W/m-K 41 to 43
130
Thermal Expansion, µm/m-K 12 to 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
26

Otherwise Unclassified Properties

Density, g/cm3 7.5 to 7.6
8.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
8.9
Embodied Energy, MJ/kg 21 to 24
140
Embodied Water, L/kg 44 to 51
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
270 to 3870
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 5.2 to 11
16 to 33
Strength to Weight: Bending, points 8.0 to 13
16 to 26
Thermal Diffusivity, mm2/s 11 to 12
39
Thermal Shock Resistance, points 4.2 to 8.6
17 to 36