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EN 1.7720 Steel vs. C14520 Copper

EN 1.7720 steel belongs to the iron alloys classification, while C14520 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7720 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, % 19
9.0 to 9.6
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 590
290 to 330
Tensile Strength: Yield (Proof), MPa 340
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1470
1080
Melting Onset (Solidus), °C 1430
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
320
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
85
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
85

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.2
2.6
Embodied Energy, MJ/kg 30
42
Embodied Water, L/kg 51
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 300
240 to 280
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21
9.0 to 10
Strength to Weight: Bending, points 20
11 to 12
Thermal Diffusivity, mm2/s 11
94
Thermal Shock Resistance, points 17
10 to 12

Alloy Composition

Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 0.3 to 0.5
0
Copper (Cu), % 0 to 0.3
99.2 to 99.596
Iron (Fe), % 96.6 to 98.6
0
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.030
0.0040 to 0.020
Silicon (Si), % 0 to 0.45
0
Sulfur (S), % 0 to 0.020
0
Tellurium (Te), % 0
0.4 to 0.7
Vanadium (V), % 0.22 to 0.3
0