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C68400 Brass vs. Grade FDC Steel

C68400 brass belongs to the copper alloys classification, while grade FDC steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is grade FDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
510
Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 540
1680

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 130
400
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
51
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 320
47

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
60
Strength to Weight: Bending, points 19
40
Thermal Diffusivity, mm2/s 21
14
Thermal Shock Resistance, points 18
50

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 59 to 64
0 to 0.12
Iron (Fe), % 0 to 1.0
98 to 99.4
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0.5 to 1.2
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0 to 0.030
Silicon (Si), % 1.5 to 2.5
0.1 to 0.35
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0