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C68800 Brass vs. SAE-AISI L3 Steel

C68800 brass belongs to the copper alloys classification, while SAE-AISI L3 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is SAE-AISI L3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
72
Tensile Strength: Ultimate (UTS), MPa 570 to 890
600 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Melting Completion (Liquidus), °C 960
1450
Melting Onset (Solidus), °C 950
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 40
43
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 20
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 48
27
Embodied Water, L/kg 350
53

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19 to 30
21 to 80
Strength to Weight: Bending, points 19 to 25
20 to 49
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 19 to 30
18 to 67

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
1.3 to 1.7
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0
Iron (Fe), % 0 to 0.2
95.5 to 97.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.25 to 0.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.1 to 0.5
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0