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CR012A Copper vs. Ductile Cast Iron

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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