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C69400 Brass vs. SAE-AISI S2 Steel

C69400 brass belongs to the copper alloys classification, while SAE-AISI S2 steel belongs to the iron alloys. There are 23 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 C69400 brass and the bottom bar is SAE-AISI S2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
72
Tensile Strength: Ultimate (UTS), MPa 570
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 26
44
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 27
2.6
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.1
Embodied Energy, MJ/kg 44
30
Embodied Water, L/kg 300
49

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
24 to 69
Strength to Weight: Bending, points 18
22 to 44
Thermal Diffusivity, mm2/s 7.7
12
Thermal Shock Resistance, points 20
23 to 68

Alloy Composition

Carbon (C), % 0
0.4 to 0.55
Copper (Cu), % 80 to 83
0 to 0.25
Iron (Fe), % 0 to 0.2
96 to 98.1
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.3 to 0.5
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0.9 to 1.2
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.5
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0