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Ductile Cast Iron vs. C86100 Bronze

Ductile cast iron belongs to the iron alloys classification, while C86100 bronze 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 C86100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
110
Elongation at Break, % 2.1 to 20
20
Poisson's Ratio 0.28 to 0.31
0.32
Shear Modulus, GPa 64 to 70
43
Tensile Strength: Ultimate (UTS), MPa 460 to 920
660
Tensile Strength: Yield (Proof), MPa 310 to 670
350

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Maximum Temperature: Mechanical, °C 290
170
Melting Completion (Liquidus), °C 1160
940
Melting Onset (Solidus), °C 1120
900
Specific Heat Capacity, J/kg-K 490
420
Thermal Conductivity, W/m-K 31 to 36
35
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
24
Density, g/cm3 7.1 to 7.5
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 21
49
Embodied Water, L/kg 43
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
530
Stiffness to Weight: Axial, points 12 to 14
7.8
Stiffness to Weight: Bending, points 24 to 26
20
Strength to Weight: Axial, points 17 to 35
23
Strength to Weight: Bending, points 18 to 29
21
Thermal Diffusivity, mm2/s 8.9 to 10
10
Thermal Shock Resistance, points 17 to 35
21

Alloy Composition

Aluminum (Al), % 0
4.5 to 5.5
Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
66 to 68
Iron (Fe), % 93.7 to 95.5
2.0 to 4.0
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0
2.5 to 5.0
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
17.3 to 25