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C70700 Copper-nickel vs. EN 1.7366 Steel

C70700 copper-nickel belongs to the copper alloys classification, while EN 1.7366 steel belongs to the iron alloys. There are 30 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 C70700 copper-nickel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 39
17 to 19
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 46
74
Shear Strength, MPa 220
290 to 440
Tensile Strength: Ultimate (UTS), MPa 320
460 to 710
Tensile Strength: Yield (Proof), MPa 110
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Maximum Temperature: Mechanical, °C 220
510
Melting Completion (Liquidus), °C 1120
1460
Melting Onset (Solidus), °C 1060
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 59
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
4.3
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.7
Embodied Energy, MJ/kg 52
23
Embodied Water, L/kg 300
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 51
140 to 600
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10
16 to 25
Strength to Weight: Bending, points 12
17 to 23
Thermal Diffusivity, mm2/s 17
11
Thermal Shock Resistance, points 12
13 to 20

Alloy Composition

Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
91.9 to 95.3
Manganese (Mn), % 0 to 0.5
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 9.5 to 10.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.5
0