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EN 1.7218 Steel vs. C82700 Copper

EN 1.7218 steel belongs to the iron alloys classification, while C82700 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7218 steel and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
46
Tensile Strength: Ultimate (UTS), MPa 500 to 1550
1200

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 420
300
Melting Completion (Liquidus), °C 1460
950
Melting Onset (Solidus), °C 1420
860
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 44
130
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
20
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.5
12
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 52
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 55
38
Strength to Weight: Bending, points 18 to 38
29
Thermal Diffusivity, mm2/s 12
39
Thermal Shock Resistance, points 15 to 46
41

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Carbon (C), % 0.22 to 0.29
0
Chromium (Cr), % 0.9 to 1.2
0 to 0.090
Copper (Cu), % 0 to 0.3
94.6 to 96.7
Iron (Fe), % 96.2 to 98.1
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0 to 0.3
1.0 to 1.5
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0 to 0.15
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5