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SAE-AISI P4 Steel vs. C87500 Brass

SAE-AISI P4 steel belongs to the iron alloys classification, while C87500 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 P4 steel and the bottom bar is C87500 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 390 to 1980
460

Thermal Properties

Latent Heat of Fusion, J/g 260
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 41
28
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 23
44
Embodied Water, L/kg 68
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 14 to 70
16
Strength to Weight: Bending, points 15 to 45
16
Thermal Diffusivity, mm2/s 11
8.3
Thermal Shock Resistance, points 13 to 64
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 4.0 to 5.3
0
Copper (Cu), % 0 to 0.25
79 to 85
Iron (Fe), % 92.3 to 95.3
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.2 to 0.6
0
Molybdenum (Mo), % 0.4 to 1.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.4
3.0 to 5.0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5