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Ductile Cast Iron vs. C99400 Brass

Ductile cast iron belongs to the iron alloys classification, while C99400 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
120
Poisson's Ratio 0.28 to 0.31
0.34
Shear Modulus, GPa 64 to 70
44
Tensile Strength: Ultimate (UTS), MPa 460 to 920
460 to 550
Tensile Strength: Yield (Proof), MPa 310 to 670
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Maximum Temperature: Mechanical, °C 290
200
Melting Completion (Liquidus), °C 1160
1070
Melting Onset (Solidus), °C 1120
1020
Specific Heat Capacity, J/kg-K 490
400
Thermal Expansion, µm/m-K 11
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
30
Density, g/cm3 7.1 to 7.5
8.7
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 21
45
Embodied Water, L/kg 43
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
230 to 590
Stiffness to Weight: Axial, points 12 to 14
7.5
Stiffness to Weight: Bending, points 24 to 26
19
Strength to Weight: Axial, points 17 to 35
15 to 17
Strength to Weight: Bending, points 18 to 29
15 to 17
Thermal Shock Resistance, points 17 to 35
16 to 19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
83.5 to 96.5
Iron (Fe), % 93.7 to 95.5
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
1.0 to 3.5
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0.5 to 2.0
Zinc (Zn), % 0
0.5 to 5.0
Residuals, % 0
0 to 0.3

Comparable Variants