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CC766S Brass vs. SAE-AISI P21 Steel

CC766S brass belongs to the copper alloys classification, while SAE-AISI P21 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 CC766S brass and the bottom bar is SAE-AISI P21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 500
1130

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Melting Completion (Liquidus), °C 840
1450
Melting Onset (Solidus), °C 800
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 89
41
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 36
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
6.5
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 48
32
Embodied Water, L/kg 330
62

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
40
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 28
11
Thermal Shock Resistance, points 17
37

Alloy Composition

Aluminum (Al), % 0.3 to 1.8
0
Antimony (Sb), % 0 to 0.1
0
Carbon (C), % 0
0.18 to 0.22
Chromium (Cr), % 0
0 to 0.5
Cobalt (Co), % 0
1.1 to 1.3
Copper (Cu), % 58 to 64
0 to 0.25
Iron (Fe), % 0 to 0.5
92.1 to 94.2
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 0.5
0.35 to 0.72
Nickel (Ni), % 0 to 2.0
3.9 to 4.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.6
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Vanadium (V), % 0
0.15 to 0.25
Zinc (Zn), % 29.5 to 41.7
0