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C42500 Brass vs. SAE-AISI A8 Steel

C42500 brass belongs to the copper alloys classification, while SAE-AISI A8 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C42500 brass and the bottom bar is SAE-AISI A8 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
74
Tensile Strength: Ultimate (UTS), MPa 310 to 630
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 200
270
Melting Completion (Liquidus), °C 1030
1480
Melting Onset (Solidus), °C 1010
1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
37
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
8.5
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 330
73

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.9 to 20
25 to 68
Strength to Weight: Bending, points 12 to 19
22 to 44
Thermal Diffusivity, mm2/s 36
9.9
Thermal Shock Resistance, points 11 to 22
22 to 62

Alloy Composition

Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 87 to 90
0 to 0.25
Iron (Fe), % 0 to 0.050
88.5 to 91.9
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
1.2 to 1.7
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.35
0 to 0.030
Silicon (Si), % 0
0.75 to 1.1
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.5 to 3.0
0
Tungsten (W), % 0
1.0 to 1.5
Zinc (Zn), % 6.1 to 11.5
0
Residuals, % 0 to 0.5
0