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C82800 Copper vs. EN 1.4446 Stainless Steel

C82800 copper belongs to the copper alloys classification, while EN 1.4446 stainless steel belongs to the iron alloys. There are 27 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 C82800 copper and the bottom bar is EN 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.0 to 20
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 46
79
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
490
Tensile Strength: Yield (Proof), MPa 380 to 1000
240

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 310
980
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 12
4.5
Embodied Energy, MJ/kg 190
60
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
93
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
140
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 21 to 36
17
Strength to Weight: Bending, points 20 to 28
17
Thermal Diffusivity, mm2/s 36
3.6
Thermal Shock Resistance, points 23 to 39
11

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.5 to 2.9
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
16.5 to 18.5
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
0
Iron (Fe), % 0 to 0.25
59.7 to 66.9
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0 to 0.2
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.2 to 0.35
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0