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C11400 Copper vs. EN 1.4123 Stainless Steel

C11400 copper belongs to the copper alloys classification, while EN 1.4123 stainless steel belongs to the iron 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 C11400 copper and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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