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EN 1.4432 Stainless Steel vs. C15900 Copper

EN 1.4432 stainless steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4432 stainless steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 44
6.5
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Shear Strength, MPa 420
420
Tensile Strength: Ultimate (UTS), MPa 610
720
Tensile Strength: Yield (Proof), MPa 250
240

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 960
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1400
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 15
280
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
48
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
49

Otherwise Unclassified Properties

Base Metal Price, % relative 19
30
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 54
45
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
37
Resilience: Unit (Modulus of Resilience), kJ/m3 150
260
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
80
Thermal Shock Resistance, points 14
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0 to 0.030
0.27 to 0.33
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
97.5 to 97.9
Iron (Fe), % 62.3 to 70.5
0 to 0.040
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 10.5 to 13
0
Nitrogen (N), % 0 to 0.1
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0.66 to 0.74