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CR022A Copper vs. Automotive Grey Cast Iron

CR022A copper belongs to the copper alloys classification, while automotive grey cast iron belongs to the iron 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 CR022A copper and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 210
260 to 280
Melting Completion (Liquidus), °C 1090
1380 to 1390
Melting Onset (Solidus), °C 1040
1340 to 1350
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 380
41 to 43
Thermal Expansion, µm/m-K 17
12 to 14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.9 to 3.0
Density, g/cm3 9.0
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 2.6
1.5 to 1.7
Embodied Energy, MJ/kg 41
21 to 24
Embodied Water, L/kg 310
44 to 51

Common Calculations

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