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SAE-AISI 5155 Steel vs. C55280 Copper

SAE-AISI 5155 steel belongs to the iron alloys classification, while C55280 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5155 steel and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 620
180

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1450
790
Melting Onset (Solidus), °C 1410
640
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
4.2
Embodied Energy, MJ/kg 19
67

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
5.9
Strength to Weight: Bending, points 21
8.3
Thermal Shock Resistance, points 20
7.4

Alloy Composition

Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
90.5 to 91.4
Iron (Fe), % 97.2 to 97.9
0
Manganese (Mn), % 0.7 to 0.9
0
Phosphorus (P), % 0 to 0.035
6.8 to 7.2
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.15