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C68400 Brass vs. SAE-AISI L6 Steel

C68400 brass belongs to the copper alloys classification, while SAE-AISI L6 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 C68400 brass and the bottom bar is SAE-AISI L6 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 41
72
Tensile Strength: Ultimate (UTS), MPa 540
670 to 2090

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 840
1450
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
42
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
3.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 47
28
Embodied Water, L/kg 320
54

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
24 to 74
Strength to Weight: Bending, points 19
22 to 46
Thermal Diffusivity, mm2/s 21
11
Thermal Shock Resistance, points 18
22 to 70

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0.65 to 0.75
Chromium (Cr), % 0
0.6 to 1.2
Copper (Cu), % 59 to 64
0 to 0.25
Iron (Fe), % 0 to 1.0
93.6 to 97.3
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0.25 to 0.8
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
1.3 to 2.0
Phosphorus (P), % 0.030 to 0.3
0 to 0.030
Silicon (Si), % 1.5 to 2.5
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0