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C27000 Brass vs. Ductile Cast Iron

C27000 brass belongs to the copper alloys classification, while ductile cast iron belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
170 to 180
Poisson's Ratio 0.31
0.28 to 0.31
Shear Modulus, GPa 40
64 to 70
Tensile Strength: Ultimate (UTS), MPa 370 to 650
460 to 920

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 130
290
Melting Completion (Liquidus), °C 930
1160
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 120
31 to 36
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.9
Density, g/cm3 8.1
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 45
21
Embodied Water, L/kg 320
43

Common Calculations

Stiffness to Weight: Axial, points 7.2
12 to 14
Stiffness to Weight: Bending, points 19
24 to 26
Strength to Weight: Axial, points 13 to 22
17 to 35
Strength to Weight: Bending, points 14 to 21
18 to 29
Thermal Diffusivity, mm2/s 37
8.9 to 10
Thermal Shock Resistance, points 12 to 22
17 to 35

Alloy Composition

Carbon (C), % 0
3.0 to 3.5
Copper (Cu), % 63 to 68.5
0
Iron (Fe), % 0 to 0.1
93.7 to 95.5
Lead (Pb), % 0 to 0.070
0
Phosphorus (P), % 0
0 to 0.080
Silicon (Si), % 0
1.5 to 2.8
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0

Comparable Variants