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EN 1.7218 Steel vs. C17500 Copper

EN 1.7218 steel belongs to the iron alloys classification, while C17500 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7218 steel and the bottom bar is C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
45
Tensile Strength: Ultimate (UTS), MPa 500 to 1550
310 to 860

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 420
220
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 44
200
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
60
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
4.7
Embodied Energy, MJ/kg 20
73
Embodied Water, L/kg 52
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18 to 55
9.7 to 27
Strength to Weight: Bending, points 18 to 38
11 to 23
Thermal Diffusivity, mm2/s 12
59
Thermal Shock Resistance, points 15 to 46
11 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Carbon (C), % 0.22 to 0.29
0
Chromium (Cr), % 0.9 to 1.2
0
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 0 to 0.3
95.6 to 97.2
Iron (Fe), % 96.2 to 98.1
0 to 0.1
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.035
0
Residuals, % 0
0 to 0.5