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SAE-AISI P20 Steel vs. CC762S Brass

SAE-AISI P20 steel belongs to the iron alloys classification, while CC762S 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 CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 540 to 1050
840

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1460
920
Melting Onset (Solidus), °C 1420
870
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 45
51
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
32

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
3.1
Embodied Energy, MJ/kg 21
51
Embodied Water, L/kg 52
350

Common Calculations

Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 19 to 37
29
Strength to Weight: Bending, points 19 to 29
25
Thermal Diffusivity, mm2/s 12
15
Thermal Shock Resistance, points 18 to 35
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Carbon (C), % 0.28 to 0.4
0
Chromium (Cr), % 0.4 to 2.0
0
Copper (Cu), % 0 to 0.25
57 to 67
Iron (Fe), % 95.2 to 98.5
1.5 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.35 to 0.71
2.5 to 5.0
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.8
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
13.4 to 36