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S35045 Stainless Steel vs. C72150 Copper-nickel

S35045 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. They have a modest 35% 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 C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 39
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
55
Shear Strength, MPa 370
320
Tensile Strength: Ultimate (UTS), MPa 540
490
Tensile Strength: Yield (Proof), MPa 190
210

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1390
1210
Melting Onset (Solidus), °C 1340
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 34
45
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.8
6.1
Embodied Energy, MJ/kg 83
88
Embodied Water, L/kg 230
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 94
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 19
15
Thermal Diffusivity, mm2/s 3.2
6.0
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.1
Chromium (Cr), % 25 to 29
0
Copper (Cu), % 0 to 0.75
52.5 to 57
Iron (Fe), % 29.4 to 42.6
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.050
Nickel (Ni), % 32 to 37
43 to 46
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.15 to 0.6
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5