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EN 1.4587 Stainless Steel vs. C18400 Copper

EN 1.4587 stainless steel belongs to the iron alloys classification, while C18400 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, 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 C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 34
13 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
44
Tensile Strength: Ultimate (UTS), MPa 540
270 to 490
Tensile Strength: Yield (Proof), MPa 250
110 to 480

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1370
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 17
320
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
80
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
81

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 6.3
2.6
Embodied Energy, MJ/kg 87
41
Embodied Water, L/kg 230
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
63 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
54 to 980
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18
8.5 to 15
Strength to Weight: Bending, points 18
10 to 16
Thermal Diffusivity, mm2/s 4.5
94
Thermal Shock Resistance, points 13
9.6 to 17

Alloy Composition


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Arsenic (As), % 0
0 to 0.0050
Calcium (Ca), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0.4 to 1.2
Copper (Cu), % 2.0 to 3.0
97.2 to 99.6
Iron (Fe), % 32.7 to 41.9
0 to 0.15
Lithium (Li), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.7
Residuals, % 0
0 to 0.5