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Automotive Malleable Cast Iron vs. C47000 Brass

Automotive malleable cast iron belongs to the iron alloys classification, while C47000 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
100
Elongation at Break, % 1.0 to 10
36
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 70
40
Tensile Strength: Ultimate (UTS), MPa 350 to 720
380
Tensile Strength: Yield (Proof), MPa 220 to 590
150

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Melting Completion (Liquidus), °C 1410
900
Melting Onset (Solidus), °C 1370
890
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 41
120
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
23
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 45
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
100
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 13 to 26
13
Strength to Weight: Bending, points 14 to 24
15
Thermal Diffusivity, mm2/s 11
38
Thermal Shock Resistance, points 9.9 to 21
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 2.2 to 2.9
0
Copper (Cu), % 0
57 to 61
Iron (Fe), % 93.6 to 96.7
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 1.3
0
Phosphorus (P), % 0.020 to 0.15
0
Silicon (Si), % 0.9 to 1.9
0
Sulfur (S), % 0.020 to 0.2
0
Tin (Sn), % 0
0.25 to 1.0
Zinc (Zn), % 0
37.5 to 42.8
Residuals, % 0
0 to 0.4