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C72700 Copper-nickel vs. N08031 Stainless Steel

C72700 copper-nickel belongs to the copper alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 27 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 C72700 copper-nickel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 4.0 to 36
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
81
Shear Strength, MPa 310 to 620
510
Tensile Strength: Ultimate (UTS), MPa 460 to 1070
730
Tensile Strength: Yield (Proof), MPa 580 to 1060
310

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1100
1440
Melting Onset (Solidus), °C 930
1390
Specific Heat Capacity, J/kg-K 380
460
Thermal Conductivity, W/m-K 54
12
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 36
39
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 4.0
7.1
Embodied Energy, MJ/kg 62
96
Embodied Water, L/kg 350
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 380
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1420 to 4770
230
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14 to 34
25
Strength to Weight: Bending, points 15 to 26
22
Thermal Diffusivity, mm2/s 16
3.1
Thermal Shock Resistance, points 16 to 38
14

Alloy Composition

Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 82.1 to 86
1.0 to 1.4
Iron (Fe), % 0 to 0.5
29 to 36.9
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 8.5 to 9.5
30 to 32
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 5.5 to 6.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0