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EN 1.4003 Stainless Steel vs. C81400 Copper

EN 1.4003 stainless steel belongs to the iron alloys classification, while C81400 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 1.4003 stainless steel and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 22
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 540
370
Tensile Strength: Yield (Proof), MPa 320
250

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 720
200
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1400
1070
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 25
260
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
60
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
61

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 27
45
Embodied Water, L/kg 97
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
36
Resilience: Unit (Modulus of Resilience), kJ/m3 260
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
11
Strength to Weight: Bending, points 19
13
Thermal Diffusivity, mm2/s 6.7
75
Thermal Shock Resistance, points 19
13

Alloy Composition


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Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0.6 to 1.0
Copper (Cu), % 0
98.4 to 99.38
Iron (Fe), % 83.9 to 89.2
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0.3 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.5