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C71500 Copper-nickel vs. S15700 Stainless Steel

C71500 copper-nickel belongs to the copper alloys classification, while S15700 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380 to 620
1180 to 1890

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 260
870
Melting Completion (Liquidus), °C 1240
1440
Melting Onset (Solidus), °C 1170
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 41
15
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
3.4
Embodied Energy, MJ/kg 74
47
Embodied Water, L/kg 280
140

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 19
42 to 67
Strength to Weight: Bending, points 13 to 18
32 to 43
Thermal Diffusivity, mm2/s 7.7
4.2
Thermal Shock Resistance, points 12 to 20
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0
0 to 0.090
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 63.5 to 70.6
0
Iron (Fe), % 0.4 to 1.0
69.6 to 76.8
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 29 to 33
6.5 to 7.7
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0