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C72800 Copper-nickel vs. S41050 Stainless Steel

C72800 copper-nickel belongs to the copper alloys classification, while S41050 stainless steel belongs to the iron alloys. There are 29 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 C72800 copper-nickel and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 3.9 to 23
25
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
76
Shear Strength, MPa 330 to 740
300
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
470
Tensile Strength: Yield (Proof), MPa 250 to 1210
230

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 920
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 55
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 38
7.0
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.9
Embodied Energy, MJ/kg 68
27
Embodied Water, L/kg 360
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
98
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 17 to 40
17
Strength to Weight: Bending, points 16 to 30
17
Thermal Diffusivity, mm2/s 17
7.2
Thermal Shock Resistance, points 19 to 45
17

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 78.3 to 82.8
0
Iron (Fe), % 0 to 0.5
84.2 to 88.9
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 1.0
Nickel (Ni), % 9.5 to 10.5
0.6 to 1.1
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.0050
0 to 0.045
Silicon (Si), % 0 to 0.050
0 to 1.0
Sulfur (S), % 0 to 0.0025
0 to 0.030
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.3
0