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EN 1.1221 Steel vs. C19020 Copper

EN 1.1221 steel belongs to the iron alloys classification, while C19020 copper belongs to the copper alloys. There are 26 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 1.1221 steel and the bottom bar is C19020 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 10 to 21
2.3 to 5.7
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
44
Shear Strength, MPa 450 to 520
260 to 340
Tensile Strength: Ultimate (UTS), MPa 730 to 870
440 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 48
190
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
50

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 47
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 31
14 to 18
Strength to Weight: Bending, points 23 to 26
14 to 18
Thermal Diffusivity, mm2/s 13
55
Thermal Shock Resistance, points 23 to 28
16 to 21

Alloy Composition

Carbon (C), % 0.57 to 0.65
0
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0
95.7 to 99.19
Iron (Fe), % 97.1 to 98.8
0
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0.5 to 3.0
Phosphorus (P), % 0 to 0.035
0.010 to 0.2
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
0.3 to 0.9
Residuals, % 0
0 to 0.2