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SAE-AISI P3 Steel vs. C68000 Brass

SAE-AISI P3 steel belongs to the iron alloys classification, while C68000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P3 steel and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 410 to 1980
390

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Melting Completion (Liquidus), °C 1460
880
Melting Onset (Solidus), °C 1420
870
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 46
96
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
23
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
48
Embodied Water, L/kg 50
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 15 to 70
14
Strength to Weight: Bending, points 16 to 44
15
Thermal Diffusivity, mm2/s 12
31
Thermal Shock Resistance, points 14 to 65
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 0.75
0
Copper (Cu), % 0 to 0.25
56 to 60
Iron (Fe), % 96.3 to 98.4
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.2 to 0.6
0.010 to 0.5
Nickel (Ni), % 1.0 to 1.5
0.2 to 0.8
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.4
0.040 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5