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EN 1.7106 Steel vs. C72200 Copper-nickel

EN 1.7106 steel belongs to the iron alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7106 steel and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
48
Tensile Strength: Ultimate (UTS), MPa 660 to 2020
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Maximum Temperature: Mechanical, °C 410
230
Melting Completion (Liquidus), °C 1430
1180
Melting Onset (Solidus), °C 1390
1120
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 46
34
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
36
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.9
Embodied Energy, MJ/kg 20
59
Embodied Water, L/kg 47
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 73
11 to 18
Strength to Weight: Bending, points 22 to 46
12 to 17
Thermal Diffusivity, mm2/s 13
9.6
Thermal Shock Resistance, points 20 to 61
12 to 20

Alloy Composition

Carbon (C), % 0.52 to 0.6
0
Chromium (Cr), % 0.2 to 0.45
0.3 to 0.7
Copper (Cu), % 0
78.1 to 84.2
Iron (Fe), % 95.9 to 97
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Nickel (Ni), % 0
15 to 18
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.6 to 2.0
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.2