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EN 1.4587 Stainless Steel vs. CC381H Copper-nickel

EN 1.4587 stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. They have a modest 33% 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 EN 1.4587 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
91
Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 34
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
52
Tensile Strength: Ultimate (UTS), MPa 540
380
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 310
240
Maximum Temperature: Mechanical, °C 1100
260
Melting Completion (Liquidus), °C 1420
1180
Melting Onset (Solidus), °C 1370
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
40
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 6.3
5.0
Embodied Energy, MJ/kg 87
73
Embodied Water, L/kg 230
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
60
Resilience: Unit (Modulus of Resilience), kJ/m3 150
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 4.5
8.4
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 2.0 to 3.0
64.5 to 69.9
Iron (Fe), % 32.7 to 41.9
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 2.0
0.6 to 1.2
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
29 to 31
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.010
Zinc (Zn), % 0
0 to 0.5