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C71500 Copper-nickel vs. S20910 Stainless Steel

C71500 copper-nickel belongs to the copper alloys classification, while S20910 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is S20910 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
79
Tensile Strength: Ultimate (UTS), MPa 380 to 620
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Maximum Temperature: Mechanical, °C 260
1080
Melting Completion (Liquidus), °C 1240
1420
Melting Onset (Solidus), °C 1170
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 28
13
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 41
22
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
4.8
Embodied Energy, MJ/kg 74
68
Embodied Water, L/kg 280
180

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
28 to 33
Strength to Weight: Bending, points 13 to 18
24 to 27
Thermal Diffusivity, mm2/s 7.7
3.6
Thermal Shock Resistance, points 12 to 20
17 to 21

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Copper (Cu), % 63.5 to 70.6
0
Iron (Fe), % 0.4 to 1.0
52.1 to 62.1
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 29 to 33
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0