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Automotive Malleable Cast Iron vs. CR005A Copper

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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