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Ductile Cast Iron vs. C42600 Brass

Ductile cast iron belongs to the iron alloys classification, while C42600 brass belongs to the copper 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 ductile cast iron and the bottom bar is C42600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
110
Elongation at Break, % 2.1 to 20
1.1 to 40
Poisson's Ratio 0.28 to 0.31
0.33
Shear Modulus, GPa 64 to 70
42
Shear Strength, MPa 420 to 800
280 to 470
Tensile Strength: Ultimate (UTS), MPa 460 to 920
410 to 830
Tensile Strength: Yield (Proof), MPa 310 to 670
220 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Maximum Temperature: Mechanical, °C 290
180
Melting Completion (Liquidus), °C 1160
1030
Melting Onset (Solidus), °C 1120
1010
Specific Heat Capacity, J/kg-K 490
380
Thermal Conductivity, W/m-K 31 to 36
110
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
26

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
31
Density, g/cm3 7.1 to 7.5
8.7
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 21
48
Embodied Water, L/kg 43
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
9.4 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
230 to 2970
Stiffness to Weight: Axial, points 12 to 14
7.1
Stiffness to Weight: Bending, points 24 to 26
18
Strength to Weight: Axial, points 17 to 35
13 to 27
Strength to Weight: Bending, points 18 to 29
14 to 23
Thermal Diffusivity, mm2/s 8.9 to 10
33
Thermal Shock Resistance, points 17 to 35
15 to 29

Alloy Composition

Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
87 to 90
Iron (Fe), % 93.7 to 95.5
0.050 to 0.2
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.080
0.020 to 0.050
Silicon (Si), % 1.5 to 2.8
0
Tin (Sn), % 0
2.5 to 4.0
Zinc (Zn), % 0
5.3 to 10.4
Residuals, % 0
0 to 0.2

Comparable Variants