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EN 1.4123 Stainless Steel vs. C14181 Copper

EN 1.4123 stainless steel belongs to the iron alloys classification, while C14181 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 C14181 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
210

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
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
380
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 62
41
Embodied Water, L/kg 120
310

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
6.5
Strength to Weight: Bending, points 23 to 25
8.8
Thermal Diffusivity, mm2/s 6.3
110
Thermal Shock Resistance, points 26 to 29
7.4

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.35 to 0.5
0 to 0.0050
Chromium (Cr), % 14 to 16.5
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 76.7 to 84.6
0
Lead (Pb), % 0
0 to 0.0020
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 to 0.0020
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 1.5
0
Zinc (Zn), % 0
0 to 0.0020