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SAE-AISI P20 Steel vs. CC761S Brass

SAE-AISI P20 steel belongs to the iron alloys classification, while CC761S 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 P20 steel and the bottom bar is CC761S 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 540 to 1050
540

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1420
910
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 45
27
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
43

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.6
2.7
Embodied Energy, MJ/kg 21
45
Embodied Water, L/kg 52
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19 to 37
18
Strength to Weight: Bending, points 19 to 29
18
Thermal Diffusivity, mm2/s 12
8.0
Thermal Shock Resistance, points 18 to 35
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.28 to 0.4
0
Chromium (Cr), % 0.4 to 2.0
0
Copper (Cu), % 0 to 0.25
78 to 83
Iron (Fe), % 95.2 to 98.5
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 0.35 to 0.71
0 to 0.2
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.8
3.0 to 5.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
8.9 to 19