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C31400 Bronze vs. Ductile Cast Iron

C31400 bronze belongs to the copper alloys classification, while ductile cast iron belongs to the iron 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 C31400 bronze and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
170 to 180
Elongation at Break, % 6.8 to 29
2.1 to 20
Poisson's Ratio 0.33
0.28 to 0.31
Shear Modulus, GPa 42
64 to 70
Shear Strength, MPa 180 to 240
420 to 800
Tensile Strength: Ultimate (UTS), MPa 270 to 420
460 to 920
Tensile Strength: Yield (Proof), MPa 78 to 310
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 200
270
Maximum Temperature: Mechanical, °C 180
290
Melting Completion (Liquidus), °C 1040
1160
Melting Onset (Solidus), °C 1010
1120
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 180
31 to 36
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 43
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
1.9
Density, g/cm3 8.8
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 42
21
Embodied Water, L/kg 310
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
280 to 1330
Stiffness to Weight: Axial, points 7.1
12 to 14
Stiffness to Weight: Bending, points 18
24 to 26
Strength to Weight: Axial, points 8.7 to 13
17 to 35
Strength to Weight: Bending, points 11 to 14
18 to 29
Thermal Diffusivity, mm2/s 54
8.9 to 10
Thermal Shock Resistance, points 9.6 to 15
17 to 35

Alloy Composition

Carbon (C), % 0
3.0 to 3.5
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
93.7 to 95.5
Lead (Pb), % 1.3 to 2.5
0
Nickel (Ni), % 0 to 0.7
0
Phosphorus (P), % 0
0 to 0.080
Silicon (Si), % 0
1.5 to 2.8
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0

Comparable Variants