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EN 1.4411 Stainless Steel vs. C18900 Copper

EN 1.4411 stainless steel belongs to the iron alloys classification, while C18900 copper belongs to the copper alloys. There are 28 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 1.4411 stainless steel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
14 to 48
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 870
260 to 500
Tensile Strength: Yield (Proof), MPa 600
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 880
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1020
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 17
130
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
30

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 920
20 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31
8.2 to 16
Strength to Weight: Bending, points 26
10 to 16
Thermal Diffusivity, mm2/s 4.6
38
Thermal Shock Resistance, points 28
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
97.7 to 99.15
Iron (Fe), % 73.1 to 79.5
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0.1 to 0.3
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 6.0
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 0.8
0.15 to 0.4
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0.6 to 0.9
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5