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SAE-AISI 5120 Steel vs. C15900 Copper

SAE-AISI 5120 steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5120 steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 16
6.5
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Shear Strength, MPa 310
420
Tensile Strength: Ultimate (UTS), MPa 500
720
Tensile Strength: Yield (Proof), MPa 320
240

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 47
280
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
48
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
49

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 49
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
37
Resilience: Unit (Modulus of Resilience), kJ/m3 280
260
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 13
80
Thermal Shock Resistance, points 16
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0.17 to 0.22
0.27 to 0.33
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
97.5 to 97.9
Iron (Fe), % 97.6 to 98.3
0 to 0.040
Manganese (Mn), % 0.7 to 0.9
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0.66 to 0.74