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CR005A Copper vs. Automotive Malleable Cast Iron

CR005A copper belongs to the copper alloys classification, while automotive malleable 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 CR005A copper and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
180
Elongation at Break, % 15
1.0 to 10
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
70
Tensile Strength: Ultimate (UTS), MPa 230
350 to 720
Tensile Strength: Yield (Proof), MPa 140
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1090
1410
Melting Onset (Solidus), °C 1040
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
41
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.9
Density, g/cm3 9.0
7.6
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 320
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 83
130 to 950
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
13 to 26
Strength to Weight: Bending, points 9.3
14 to 24
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 8.1
9.9 to 21

Alloy Composition

Carbon (C), % 0
2.2 to 2.9
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
93.6 to 96.7
Manganese (Mn), % 0
0.15 to 1.3
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0.020 to 0.2