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C43400 Brass vs. Automotive Malleable Cast Iron

C43400 brass belongs to the copper alloys classification, while automotive malleable cast iron belongs to the iron alloys. There are 27 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 C43400 brass and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Elongation at Break, % 3.0 to 49
1.0 to 10
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
70
Tensile Strength: Ultimate (UTS), MPa 310 to 690
350 to 720
Tensile Strength: Yield (Proof), MPa 110 to 560
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 1020
1410
Melting Onset (Solidus), °C 990
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 140
41
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 32
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.9
Density, g/cm3 8.6
7.6
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 320
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
130 to 950
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10 to 22
13 to 26
Strength to Weight: Bending, points 12 to 20
14 to 24
Thermal Diffusivity, mm2/s 41
11
Thermal Shock Resistance, points 11 to 24
9.9 to 21

Alloy Composition

Carbon (C), % 0
2.2 to 2.9
Copper (Cu), % 84 to 87
0
Iron (Fe), % 0 to 0.050
93.6 to 96.7
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.15 to 1.3
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Sulfur (S), % 0
0.020 to 0.2
Tin (Sn), % 0.4 to 1.0
0
Zinc (Zn), % 11.4 to 15.6
0
Residuals, % 0 to 0.5
0