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CC767S Brass vs. Austempered Cast Iron

CC767S brass belongs to the copper alloys classification, while austempered cast iron belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC767S brass and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
270 to 490
Elastic (Young's, Tensile) Modulus, GPa 110
180
Elongation at Break, % 34
1.1 to 13
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
62 to 69
Tensile Strength: Ultimate (UTS), MPa 430
860 to 1800
Tensile Strength: Yield (Proof), MPa 150
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Melting Completion (Liquidus), °C 840
1380
Melting Onset (Solidus), °C 790
1340
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 110
42
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.9
Density, g/cm3 8.0
7.5
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 47
25
Embodied Water, L/kg 330
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 100
880 to 3970
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
32 to 66
Strength to Weight: Bending, points 16
27 to 44
Thermal Diffusivity, mm2/s 34
11
Thermal Shock Resistance, points 14
25 to 53

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0
3.4 to 3.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 58 to 64
0 to 0.8
Iron (Fe), % 0 to 0.5
89.6 to 94
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0 to 0.5
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 1.0
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
2.3 to 2.7
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.1
0 to 0.020
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 32.8 to 41.9
0