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Ductile Cast Iron vs. CR012A Copper

Ductile cast iron belongs to the iron alloys classification, while CR012A copper belongs to the copper alloys. There are 28 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 ductile cast iron and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
120
Elongation at Break, % 2.1 to 20
15
Poisson's Ratio 0.28 to 0.31
0.34
Shear Modulus, GPa 64 to 70
43
Tensile Strength: Ultimate (UTS), MPa 460 to 920
220
Tensile Strength: Yield (Proof), MPa 310 to 670
130

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 290
200
Melting Completion (Liquidus), °C 1160
1090
Melting Onset (Solidus), °C 1120
1040
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 31 to 36
390
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
100

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
33
Density, g/cm3 7.1 to 7.5
9.0
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 21
42
Embodied Water, L/kg 43
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
29
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
76
Stiffness to Weight: Axial, points 12 to 14
7.2
Stiffness to Weight: Bending, points 24 to 26
18
Strength to Weight: Axial, points 17 to 35
6.8
Strength to Weight: Bending, points 18 to 29
9.0
Thermal Diffusivity, mm2/s 8.9 to 10
110
Thermal Shock Resistance, points 17 to 35
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 93.7 to 95.5
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0
Silver (Ag), % 0
0.060 to 0.080