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EN 1.4421 Stainless Steel vs. C82800 Copper

EN 1.4421 stainless steel belongs to the iron alloys classification, while C82800 copper belongs to the copper alloys. There are 27 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 1.4421 stainless steel and the bottom bar is C82800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 11 to 17
1.0 to 20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
46
Tensile Strength: Ultimate (UTS), MPa 880 to 1100
670 to 1140
Tensile Strength: Yield (Proof), MPa 620 to 950
380 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 870
310
Melting Completion (Liquidus), °C 1440
930
Melting Onset (Solidus), °C 1400
890
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
18
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 2.6
12
Embodied Energy, MJ/kg 36
190
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
11 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 960 to 2270
590 to 4080
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 31 to 39
21 to 36
Strength to Weight: Bending, points 26 to 30
20 to 28
Thermal Diffusivity, mm2/s 4.4
36
Thermal Shock Resistance, points 31 to 39
23 to 39

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.5 to 2.9
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15.5 to 17.5
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0
94.6 to 97.2
Iron (Fe), % 74.4 to 80.5
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 4.0 to 5.5
0 to 0.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0.2 to 0.35
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5

Comparable Variants