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C72800 Copper-nickel vs. S35315 Stainless Steel

C72800 copper-nickel belongs to the copper alloys classification, while S35315 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 S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 3.9 to 23
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
78
Shear Strength, MPa 330 to 740
520
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
740
Tensile Strength: Yield (Proof), MPa 250 to 1210
300

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1370
Melting Onset (Solidus), °C 920
1330
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 55
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 38
34
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
5.7
Embodied Energy, MJ/kg 68
81
Embodied Water, L/kg 360
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
270
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
230
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 17 to 40
26
Strength to Weight: Bending, points 16 to 30
23
Thermal Diffusivity, mm2/s 17
3.1
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
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 78.3 to 82.8
0
Iron (Fe), % 0 to 0.5
33.6 to 40.6
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0 to 2.0
Nickel (Ni), % 9.5 to 10.5
34 to 36
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.0050
0 to 0.040
Silicon (Si), % 0 to 0.050
1.2 to 2.0
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