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CC755S Brass vs. SAE-AISI O7 Steel

CC755S brass belongs to the copper alloys classification, while SAE-AISI O7 steel belongs to the iron alloys. There are 23 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 CC755S brass and the bottom bar is SAE-AISI O7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 390
680 to 2110

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Melting Completion (Liquidus), °C 820
1480
Melting Onset (Solidus), °C 780
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
41
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
6.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 46
33
Embodied Water, L/kg 330
52

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14
24 to 74
Strength to Weight: Bending, points 15
22 to 46
Thermal Diffusivity, mm2/s 38
11
Thermal Shock Resistance, points 13
23 to 70

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
1.1 to 1.3
Chromium (Cr), % 0
0.35 to 0.85
Copper (Cu), % 59.5 to 61
0 to 0.25
Iron (Fe), % 0.050 to 0.2
92.9 to 97.6
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.2
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Tungsten (W), % 0
1.0 to 2.0
Vanadium (V), % 0
0 to 0.4
Zinc (Zn), % 35.8 to 38.9
0