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C70700 Copper-nickel vs. EN 1.3518 Steel

C70700 copper-nickel belongs to the copper alloys classification, while EN 1.3518 steel belongs to the iron alloys. There are 25 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 C70700 copper-nickel and the bottom bar is EN 1.3518 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
190
Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 46
72
Tensile Strength: Ultimate (UTS), MPa 320
630

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Maximum Temperature: Mechanical, °C 220
420
Melting Completion (Liquidus), °C 1120
1440
Melting Onset (Solidus), °C 1060
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 59
43
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.4
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 52
20
Embodied Water, L/kg 300
51

Common Calculations

Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10
23
Strength to Weight: Bending, points 12
21
Thermal Diffusivity, mm2/s 17
12
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0
0.93 to 1.1
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 88.5 to 90.5
0 to 0.3
Iron (Fe), % 0 to 0.050
96.3 to 97.8
Manganese (Mn), % 0 to 0.5
0.9 to 1.2
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 9.5 to 10.5
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.45 to 0.75
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0