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SAE-AISI A4 Steel vs. CC750S Brass

SAE-AISI A4 steel belongs to the iron alloys classification, while CC750S 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 A4 steel and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
200

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Melting Completion (Liquidus), °C 1450
860
Melting Onset (Solidus), °C 1410
810
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
26

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 24
46
Embodied Water, L/kg 59
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 25 to 73
6.8
Strength to Weight: Bending, points 23 to 46
9.3
Thermal Diffusivity, mm2/s 11
35
Thermal Shock Resistance, points 23 to 67
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
62 to 67
Iron (Fe), % 92 to 95.5
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Manganese (Mn), % 1.8 to 2.2
0 to 0.2
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.050
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36