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C15900 Copper vs. EN 1.7221 Steel

C15900 copper belongs to the copper alloys classification, while EN 1.7221 steel belongs to the iron 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 C15900 copper and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.5
11 to 17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 720
650 to 780
Tensile Strength: Yield (Proof), MPa 240
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1030
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 280
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 49
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.4
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 310
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 260
490 to 1050
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 23
23 to 27
Strength to Weight: Bending, points 20
21 to 24
Thermal Diffusivity, mm2/s 80
12
Thermal Shock Resistance, points 26
19 to 23

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
0
Carbon (C), % 0.27 to 0.33
0.22 to 0.29
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 97.5 to 97.9
0
Iron (Fe), % 0 to 0.040
96.8 to 98.3
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Oxygen (O), % 0.4 to 0.54
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.66 to 0.74
0