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C72700 Copper-nickel vs. N08028 Stainless Steel

C72700 copper-nickel belongs to the copper alloys classification, while N08028 stainless steel belongs to the iron alloys. There are 27 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 C72700 copper-nickel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 4.0 to 36
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
80
Shear Strength, MPa 310 to 620
400
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
570
Tensile Strength: Yield (Proof), MPa 580 to 1060
240

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1100
1420
Melting Onset (Solidus), °C 930
1370
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 54
12
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
37
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 4.0
6.4
Embodied Energy, MJ/kg 62
89
Embodied Water, L/kg 350
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14 to 34
19
Strength to Weight: Bending, points 15 to 26
19
Thermal Diffusivity, mm2/s 16
3.2
Thermal Shock Resistance, points 16 to 38
12

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 82.1 to 86
0.6 to 1.4
Iron (Fe), % 0 to 0.5
29 to 40.4
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 8.5 to 9.5
30 to 34
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 6.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0