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SAE-AISI P3 Steel vs. C69400 Brass

SAE-AISI P3 steel belongs to the iron alloys classification, while C69400 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P3 steel and the bottom bar is C69400 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 410 to 1980
570

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
920
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 46
26
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 50
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 15 to 70
19
Strength to Weight: Bending, points 16 to 44
18
Thermal Diffusivity, mm2/s 12
7.7
Thermal Shock Resistance, points 14 to 65
20

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 0.75
0
Copper (Cu), % 0 to 0.25
80 to 83
Iron (Fe), % 96.3 to 98.4
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 1.0 to 1.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.4
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5