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Automotive Grey Cast Iron vs. CR013A Copper

Automotive grey cast iron belongs to the iron alloys classification, while CR013A copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is CR013A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
120
Elongation at Break, % 9.6 to 14
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 69 to 70
43
Tensile Strength: Ultimate (UTS), MPa 140 to 290
230
Tensile Strength: Yield (Proof), MPa 94 to 200
140

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
210
Melting Completion (Liquidus), °C 1380 to 1390
1090
Melting Onset (Solidus), °C 1340 to 1350
1040
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 41 to 43
390
Thermal Expansion, µm/m-K 12 to 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
35
Density, g/cm3 7.5 to 7.6
9.0
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
2.7
Embodied Energy, MJ/kg 21 to 24
42
Embodied Water, L/kg 44 to 51
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
31
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 5.2 to 11
7.1
Strength to Weight: Bending, points 8.0 to 13
9.3
Thermal Diffusivity, mm2/s 11 to 12
110
Thermal Shock Resistance, points 4.2 to 8.6
8.1