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Ductile Cast Iron vs. CC491K Bronze

Ductile cast iron belongs to the iron alloys classification, while CC491K bronze belongs to the copper alloys. There are 29 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 ductile cast iron and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 310
73
Elastic (Young's, Tensile) Modulus, GPa 170 to 180
110
Elongation at Break, % 2.1 to 20
13
Poisson's Ratio 0.28 to 0.31
0.34
Shear Modulus, GPa 64 to 70
40
Tensile Strength: Ultimate (UTS), MPa 460 to 920
260
Tensile Strength: Yield (Proof), MPa 310 to 670
120

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 290
160
Melting Completion (Liquidus), °C 1160
980
Melting Onset (Solidus), °C 1120
900
Specific Heat Capacity, J/kg-K 490
370
Thermal Conductivity, W/m-K 31 to 36
71
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
31
Density, g/cm3 7.1 to 7.5
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 21
51
Embodied Water, L/kg 43
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
27
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
67
Stiffness to Weight: Axial, points 12 to 14
6.7
Stiffness to Weight: Bending, points 24 to 26
18
Strength to Weight: Axial, points 17 to 35
8.1
Strength to Weight: Bending, points 18 to 29
10
Thermal Diffusivity, mm2/s 8.9 to 10
22
Thermal Shock Resistance, points 17 to 35
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
81 to 87
Iron (Fe), % 93.7 to 95.5
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0 to 0.080
0 to 0.1
Silicon (Si), % 1.5 to 2.8
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0