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C27000 Brass vs. SAE-AISI S4 Steel

C27000 brass belongs to the copper alloys classification, while SAE-AISI S4 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is SAE-AISI S4 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
72
Tensile Strength: Ultimate (UTS), MPa 370 to 650
670 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Melting Completion (Liquidus), °C 930
1430
Melting Onset (Solidus), °C 900
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
44
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.2
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 45
29
Embodied Water, L/kg 320
48

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 22
24 to 77
Strength to Weight: Bending, points 14 to 21
22 to 48
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 12 to 22
20 to 65

Alloy Composition

Carbon (C), % 0
0.5 to 0.65
Chromium (Cr), % 0
0.1 to 0.5
Copper (Cu), % 63 to 68.5
0
Iron (Fe), % 0 to 0.1
95.2 to 96.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.6 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
1.8 to 2.3
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.15 to 0.35
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0