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AISI 310S Stainless Steel vs. C72150 Copper-nickel

AISI 310S stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
99
Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 34 to 44
29
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
55
Shear Strength, MPa 420 to 470
320
Tensile Strength: Ultimate (UTS), MPa 600 to 710
490
Tensile Strength: Yield (Proof), MPa 270 to 350
210

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1450
1210
Melting Onset (Solidus), °C 1400
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
45
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.3
6.1
Embodied Energy, MJ/kg 61
88
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21 to 25
15
Strength to Weight: Bending, points 20 to 22
15
Thermal Diffusivity, mm2/s 4.1
6.0
Thermal Shock Resistance, points 14 to 16
18

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
52.5 to 57
Iron (Fe), % 48.3 to 57
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.050
Nickel (Ni), % 19 to 22
43 to 46
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5