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SAE-AISI A4 Steel vs. C41300 Brass

SAE-AISI A4 steel belongs to the iron alloys classification, while C41300 brass belongs to the copper 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 SAE-AISI A4 steel and the bottom bar is C41300 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 73
42
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
300 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Melting Completion (Liquidus), °C 1450
1040
Melting Onset (Solidus), °C 1410
1010
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 40
130
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
31

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
29
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 24
44
Embodied Water, L/kg 59
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25 to 73
9.6 to 20
Strength to Weight: Bending, points 23 to 46
11 to 19
Thermal Diffusivity, mm2/s 11
40
Thermal Shock Resistance, points 23 to 67
11 to 22

Alloy Composition

Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
89 to 93
Iron (Fe), % 92 to 95.5
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 1.8 to 2.2
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.7 to 1.3
Zinc (Zn), % 0
5.1 to 10.3
Residuals, % 0
0 to 0.5