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S35045 Stainless Steel vs. C71520 Copper-nickel

S35045 stainless steel belongs to the iron alloys classification, while C71520 copper-nickel belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S35045 stainless steel and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 39
10 to 45
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
51
Shear Strength, MPa 370
250 to 340
Tensile Strength: Ultimate (UTS), MPa 540
370 to 570
Tensile Strength: Yield (Proof), MPa 190
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Maximum Temperature: Mechanical, °C 1100
260
Melting Completion (Liquidus), °C 1390
1170
Melting Onset (Solidus), °C 1340
1120
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 12
32
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
40
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.8
5.0
Embodied Energy, MJ/kg 83
73
Embodied Water, L/kg 230
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 94
67 to 680
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19
12 to 18
Strength to Weight: Bending, points 19
13 to 17
Thermal Diffusivity, mm2/s 3.2
8.9
Thermal Shock Resistance, points 12
12 to 19

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.050
Chromium (Cr), % 25 to 29
0
Copper (Cu), % 0 to 0.75
65 to 71.6
Iron (Fe), % 29.4 to 42.6
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 32 to 37
28 to 33
Phosphorus (P), % 0 to 0.045
0 to 0.2
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0.15 to 0.6
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5