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EN 1.4123 Stainless Steel vs. C11400 Copper

EN 1.4123 stainless steel belongs to the iron alloys classification, while C11400 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is C11400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 720 to 810
220 to 400

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 840
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
32
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 62
42
Embodied Water, L/kg 120
350

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26 to 29
6.8 to 12
Strength to Weight: Bending, points 23 to 25
9.1 to 14
Thermal Diffusivity, mm2/s 6.3
110
Thermal Shock Resistance, points 26 to 29
7.8 to 14

Alloy Composition

Carbon (C), % 0.35 to 0.5
0
Chromium (Cr), % 14 to 16.5
0
Copper (Cu), % 0
99.84 to 99.966
Iron (Fe), % 76.7 to 84.6
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0.034 to 0.060
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 1.5
0
Residuals, % 0
0 to 0.1