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SAE-AISI A9 Steel vs. CC490K Brass

SAE-AISI A9 steel belongs to the iron alloys classification, while CC490K brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A9 steel and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
230

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Melting Completion (Liquidus), °C 1460
980
Melting Onset (Solidus), °C 1410
910
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 35
72
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
16
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
16

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 4.7
2.9
Embodied Energy, MJ/kg 70
47
Embodied Water, L/kg 82
340

Common Calculations

Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28 to 73
7.3
Strength to Weight: Bending, points 24 to 46
9.5
Thermal Diffusivity, mm2/s 9.6
22
Thermal Shock Resistance, points 25 to 66
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
81 to 86
Iron (Fe), % 87 to 90.5
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 1.0 to 1.2
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Vanadium (V), % 0.8 to 1.4
0
Zinc (Zn), % 0
7.0 to 9.5