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SAE-AISI A9 Steel vs. C23000 Brass

SAE-AISI A9 steel belongs to the iron alloys classification, while C23000 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A9 steel and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
42
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
280 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Melting Completion (Liquidus), °C 1460
1030
Melting Onset (Solidus), °C 1410
990
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 35
160
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
37
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
39

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
28
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 4.7
2.6
Embodied Energy, MJ/kg 70
43
Embodied Water, L/kg 82
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 73
8.9 to 19
Strength to Weight: Bending, points 24 to 46
11 to 18
Thermal Diffusivity, mm2/s 9.6
48
Thermal Shock Resistance, points 25 to 66
9.4 to 20

Alloy Composition

Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
84 to 86
Iron (Fe), % 87 to 90.5
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.8 to 1.4
0
Zinc (Zn), % 0
13.7 to 16
Residuals, % 0
0 to 0.2