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C70700 Copper-nickel vs. EN 1.4877 Stainless Steel

C70700 copper-nickel belongs to the copper alloys classification, while EN 1.4877 stainless 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 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
190
Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 39
36
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 46
79
Shear Strength, MPa 220
420
Tensile Strength: Ultimate (UTS), MPa 320
630
Tensile Strength: Yield (Proof), MPa 110
200

Thermal Properties

Latent Heat of Fusion, J/g 220
310
Maximum Temperature: Mechanical, °C 220
1150
Melting Completion (Liquidus), °C 1120
1400
Melting Onset (Solidus), °C 1060
1360
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 59
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 34
37
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.4
6.2
Embodied Energy, MJ/kg 52
89
Embodied Water, L/kg 300
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 51
100
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10
22
Strength to Weight: Bending, points 12
20
Thermal Diffusivity, mm2/s 17
3.2
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
36.4 to 42.3
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 9.5 to 10.5
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Residuals, % 0 to 0.5
0