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Automotive Malleable Cast Iron vs. C89320 Bronze

Automotive malleable cast iron belongs to the iron alloys classification, while C89320 bronze belongs to the copper alloys. There are 27 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 automotive malleable cast iron and the bottom bar is C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 1.0 to 10
17
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 70
40
Tensile Strength: Ultimate (UTS), MPa 350 to 720
270
Tensile Strength: Yield (Proof), MPa 220 to 590
140

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Melting Completion (Liquidus), °C 1410
1050
Melting Onset (Solidus), °C 1370
930
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 41
56
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
37
Density, g/cm3 7.6
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.5
Embodied Energy, MJ/kg 20
56
Embodied Water, L/kg 45
490

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
38
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
93
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 13 to 26
8.5
Strength to Weight: Bending, points 14 to 24
10
Thermal Diffusivity, mm2/s 11
17
Thermal Shock Resistance, points 9.9 to 21
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Carbon (C), % 2.2 to 2.9
0
Copper (Cu), % 0
87 to 91
Iron (Fe), % 93.6 to 96.7
0 to 0.2
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0.15 to 1.3
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0.020 to 0.15
0 to 0.3
Silicon (Si), % 0.9 to 1.9
0 to 0.0050
Sulfur (S), % 0.020 to 0.2
0 to 0.080
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5