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SAE-AISI P20 Steel vs. C95500 Bronze

SAE-AISI P20 steel belongs to the iron alloys classification, while C95500 bronze 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 C95500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
44
Tensile Strength: Ultimate (UTS), MPa 540 to 1050
700 to 850

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1460
1050
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 45
42
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
28
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.6
3.5
Embodied Energy, MJ/kg 21
57
Embodied Water, L/kg 52
390

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 19 to 37
24 to 29
Strength to Weight: Bending, points 19 to 29
21 to 24
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 18 to 35
24 to 29

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Carbon (C), % 0.28 to 0.4
0
Chromium (Cr), % 0.4 to 2.0
0
Copper (Cu), % 0 to 0.25
78 to 84
Iron (Fe), % 95.2 to 98.5
3.0 to 5.0
Manganese (Mn), % 0.35 to 0.71
0 to 3.5
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0
3.0 to 5.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.8
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5