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EN 1.7218 Steel vs. C70600 Copper-nickel

EN 1.7218 steel belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 24 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 C70600 copper-nickel.

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
46
Tensile Strength: Ultimate (UTS), MPa 500 to 1550
290 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 420
220
Melting Completion (Liquidus), °C 1460
1150
Melting Onset (Solidus), °C 1420
1100
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 44
44
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
51
Embodied Water, L/kg 52
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 55
9.1 to 18
Strength to Weight: Bending, points 18 to 38
11 to 17
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 15 to 46
9.8 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.22 to 0.29
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.3
84.7 to 90
Iron (Fe), % 96.2 to 98.1
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0 to 0.3
9.0 to 11
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5