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Ductile Cast Iron vs. C67400 Bronze

Ductile cast iron belongs to the iron alloys classification, while C67400 bronze belongs to the copper alloys. There are 29 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 C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
110
Elongation at Break, % 2.1 to 20
22 to 28
Poisson's Ratio 0.28 to 0.31
0.31
Shear Modulus, GPa 64 to 70
41
Shear Strength, MPa 420 to 800
310 to 350
Tensile Strength: Ultimate (UTS), MPa 460 to 920
480 to 610
Tensile Strength: Yield (Proof), MPa 310 to 670
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 290
130
Melting Completion (Liquidus), °C 1160
890
Melting Onset (Solidus), °C 1120
870
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 31 to 36
100
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
26

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
23
Density, g/cm3 7.1 to 7.5
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 21
48
Embodied Water, L/kg 43
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
300 to 660
Stiffness to Weight: Axial, points 12 to 14
7.5
Stiffness to Weight: Bending, points 24 to 26
20
Strength to Weight: Axial, points 17 to 35
17 to 22
Strength to Weight: Bending, points 18 to 29
17 to 20
Thermal Diffusivity, mm2/s 8.9 to 10
32
Thermal Shock Resistance, points 17 to 35
16 to 20

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
57 to 60
Iron (Fe), % 93.7 to 95.5
0 to 0.35
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
2.0 to 3.5
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
31.1 to 40
Residuals, % 0
0 to 0.5

Comparable Variants