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SAE-AISI A9 Steel vs. C83400 Brass

SAE-AISI A9 steel belongs to the iron alloys classification, while C83400 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 C83400 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
240

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1410
1020
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 35
190
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
44
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
46

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
29
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 4.7
2.7
Embodied Energy, MJ/kg 70
43
Embodied Water, L/kg 82
320

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
7.7
Strength to Weight: Bending, points 24 to 46
9.9
Thermal Diffusivity, mm2/s 9.6
57
Thermal Shock Resistance, points 25 to 66
8.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
88 to 92
Iron (Fe), % 87 to 90.5
0 to 0.25
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.0 to 1.2
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
0 to 0.2
Vanadium (V), % 0.8 to 1.4
0
Zinc (Zn), % 0
8.0 to 12
Residuals, % 0
0 to 0.7