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C85400 Brass vs. Grey Cast Iron

C85400 brass belongs to the copper alloys classification, while grey cast iron belongs to the iron alloys. There are 28 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 C85400 brass and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 100
180
Elongation at Break, % 23
9.6
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
69
Tensile Strength: Ultimate (UTS), MPa 220
160 to 450
Tensile Strength: Yield (Proof), MPa 85
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Melting Completion (Liquidus), °C 940
1380
Melting Onset (Solidus), °C 940
1180
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 89
46
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 22
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.9
Density, g/cm3 8.3
7.5
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 46
21
Embodied Water, L/kg 330
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 35
27 to 240
Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 7.5
5.8 to 17
Strength to Weight: Bending, points 9.9
8.7 to 17
Thermal Diffusivity, mm2/s 28
13
Thermal Shock Resistance, points 7.6
6.0 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0
3.1 to 3.4
Copper (Cu), % 65 to 70
0
Iron (Fe), % 0 to 0.7
92.1 to 93.9
Lead (Pb), % 1.5 to 3.8
0
Manganese (Mn), % 0
0.5 to 0.7
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0
0 to 0.9
Silicon (Si), % 0 to 0.050
2.5 to 2.8
Sulfur (S), % 0
0 to 0.15
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
0
Residuals, % 0 to 1.1
0