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Ductile Cast Iron vs. C66700 Brass

Ductile cast iron belongs to the iron alloys classification, while C66700 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
110
Elongation at Break, % 2.1 to 20
2.0 to 58
Poisson's Ratio 0.28 to 0.31
0.31
Shear Modulus, GPa 64 to 70
41
Shear Strength, MPa 420 to 800
250 to 530
Tensile Strength: Ultimate (UTS), MPa 460 to 920
340 to 690
Tensile Strength: Yield (Proof), MPa 310 to 670
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 290
140
Melting Completion (Liquidus), °C 1160
1090
Melting Onset (Solidus), °C 1120
1050
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 31 to 36
97
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
17
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
19

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
25
Density, g/cm3 7.1 to 7.5
8.2
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 21
45
Embodied Water, L/kg 43
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
49 to 1900
Stiffness to Weight: Axial, points 12 to 14
7.3
Stiffness to Weight: Bending, points 24 to 26
19
Strength to Weight: Axial, points 17 to 35
11 to 23
Strength to Weight: Bending, points 18 to 29
13 to 21
Thermal Diffusivity, mm2/s 8.9 to 10
30
Thermal Shock Resistance, points 17 to 35
11 to 23

Alloy Composition

Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
68.5 to 71.5
Iron (Fe), % 93.7 to 95.5
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0
0.8 to 1.5
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0
Zinc (Zn), % 0
26.3 to 30.7
Residuals, % 0
0 to 0.5

Comparable Variants