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C70700 Copper-nickel vs. N08028 Stainless Steel

C70700 copper-nickel belongs to the copper alloys classification, while N08028 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
180
Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 39
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 46
80
Shear Strength, MPa 220
400
Tensile Strength: Ultimate (UTS), MPa 320
570
Tensile Strength: Yield (Proof), MPa 110
240

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Maximum Temperature: Mechanical, °C 220
1100
Melting Completion (Liquidus), °C 1120
1420
Melting Onset (Solidus), °C 1060
1370
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 59
12
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 34
37
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.4
6.4
Embodied Energy, MJ/kg 52
89
Embodied Water, L/kg 300
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 51
140
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10
19
Strength to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 17
3.2
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 88.5 to 90.5
0.6 to 1.4
Iron (Fe), % 0 to 0.050
29 to 40.4
Manganese (Mn), % 0 to 0.5
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 9.5 to 10.5
30 to 34
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0