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Austempered Cast Iron vs. C35000 Brass

Austempered cast iron belongs to the iron alloys classification, while C35000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is austempered cast iron and the bottom bar is C35000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 62 to 69
40
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Melting Completion (Liquidus), °C 1380
920
Melting Onset (Solidus), °C 1340
890
Specific Heat Capacity, J/kg-K 490
380
Thermal Conductivity, W/m-K 42
120
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
23
Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 25
45
Embodied Water, L/kg 48
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 66
12 to 22
Strength to Weight: Bending, points 27 to 44
13 to 21
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 25 to 53
11 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Arsenic (As), % 0 to 0.020
0
Carbon (C), % 3.4 to 3.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.8
60 to 63
Iron (Fe), % 89.6 to 94
0 to 0.1
Lead (Pb), % 0
0.8 to 2.0
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.040
0
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0 to 0.020
0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0
34.5 to 39.2
Residuals, % 0
0 to 0.4