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C70700 Copper-nickel vs. AISI 201 Stainless Steel

C70700 copper-nickel belongs to the copper alloys classification, while AISI 201 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 AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
200 to 440
Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 39
4.6 to 51
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 46
77
Shear Strength, MPa 220
450 to 840
Tensile Strength: Ultimate (UTS), MPa 320
650 to 1450
Tensile Strength: Yield (Proof), MPa 110
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Maximum Temperature: Mechanical, °C 220
880
Melting Completion (Liquidus), °C 1120
1410
Melting Onset (Solidus), °C 1060
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 59
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
12
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 52
38
Embodied Water, L/kg 300
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 51
230 to 2970
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10
23 to 52
Strength to Weight: Bending, points 12
22 to 37
Thermal Diffusivity, mm2/s 17
4.0
Thermal Shock Resistance, points 12
14 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
67.5 to 75
Manganese (Mn), % 0 to 0.5
5.5 to 7.5
Nickel (Ni), % 9.5 to 10.5
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0