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SAE-AISI 5155 Steel vs. C14520 Copper

SAE-AISI 5155 steel belongs to the iron alloys classification, while C14520 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5155 steel and the bottom bar is C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 21
9.0 to 9.6
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Shear Strength, MPa 390
170 to 190
Tensile Strength: Ultimate (UTS), MPa 620
290 to 330
Tensile Strength: Yield (Proof), MPa 380
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
320
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
85
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
85

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 49
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 380
240 to 280
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22
9.0 to 10
Strength to Weight: Bending, points 21
11 to 12
Thermal Diffusivity, mm2/s 13
94
Thermal Shock Resistance, points 20
10 to 12

Alloy Composition

Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
99.2 to 99.596
Iron (Fe), % 97.2 to 97.9
0
Manganese (Mn), % 0.7 to 0.9
0
Phosphorus (P), % 0 to 0.035
0.0040 to 0.020
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tellurium (Te), % 0
0.4 to 0.7