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SAE-AISI 4720 Steel vs. C14500 Copper

SAE-AISI 4720 steel belongs to the iron alloys classification, while C14500 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 4720 steel and the bottom bar is C14500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
12 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Shear Strength, MPa 310
150 to 190
Tensile Strength: Ultimate (UTS), MPa 490
220 to 330
Tensile Strength: Yield (Proof), MPa 350
69 to 260

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
360
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
94
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
95

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 21
42
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
36 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 330
21 to 300
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17
6.8 to 10
Strength to Weight: Bending, points 18
9.1 to 12
Thermal Diffusivity, mm2/s 10
100
Thermal Shock Resistance, points 14
8.0 to 12

Alloy Composition

Carbon (C), % 0.17 to 0.22
0
Chromium (Cr), % 0.35 to 0.55
0
Copper (Cu), % 0
99.2 to 99.596
Iron (Fe), % 96.7 to 97.8
0
Manganese (Mn), % 0.5 to 0.7
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.035
0.0040 to 0.012
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tellurium (Te), % 0
0.4 to 0.7