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Ductile Cast Iron vs. C82500 Copper

Ductile cast iron belongs to the iron alloys classification, while C82500 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
120
Elongation at Break, % 2.1 to 20
1.0 to 20
Poisson's Ratio 0.28 to 0.31
0.33
Shear Modulus, GPa 64 to 70
45
Tensile Strength: Ultimate (UTS), MPa 460 to 920
550 to 1100
Tensile Strength: Yield (Proof), MPa 310 to 670
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 290
280
Melting Completion (Liquidus), °C 1160
980
Melting Onset (Solidus), °C 1120
860
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 31 to 36
130
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
20
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
21

Otherwise Unclassified Properties

Density, g/cm3 7.1 to 7.5
8.8
Embodied Carbon, kg CO2/kg material 1.5
10
Embodied Energy, MJ/kg 21
160
Embodied Water, L/kg 43
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
11 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
400 to 4000
Stiffness to Weight: Axial, points 12 to 14
7.7
Stiffness to Weight: Bending, points 24 to 26
19
Strength to Weight: Axial, points 17 to 35
18 to 35
Strength to Weight: Bending, points 18 to 29
17 to 27
Thermal Diffusivity, mm2/s 8.9 to 10
38
Thermal Shock Resistance, points 17 to 35
19 to 38

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Carbon (C), % 3.0 to 3.5
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0
95.3 to 97.8
Iron (Fe), % 93.7 to 95.5
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5

Comparable Variants