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EN 1.4587 Stainless Steel vs. C72150 Copper-nickel

EN 1.4587 stainless steel belongs to the iron alloys classification, while C72150 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4587 stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
99
Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 34
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
55
Tensile Strength: Ultimate (UTS), MPa 540
490
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1420
1210
Melting Onset (Solidus), °C 1370
1250
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 17
22
Thermal Expansion, µm/m-K 15
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
45
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 6.3
6.1
Embodied Energy, MJ/kg 87
88
Embodied Water, L/kg 230
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 4.5
6.0
Thermal Shock Resistance, points 13
18

Alloy Composition


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Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 2.0 to 3.0
52.5 to 57
Iron (Fe), % 32.7 to 41.9
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.050
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
43 to 46
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5