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C82200 Copper vs. S32304 Stainless Steel

C82200 copper belongs to the copper alloys classification, while S32304 stainless steel belongs to the iron 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 C82200 copper and the bottom bar is S32304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 20
28
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 44
79
Tensile Strength: Ultimate (UTS), MPa 390 to 660
670
Tensile Strength: Yield (Proof), MPa 210 to 520
460

Thermal Properties

Latent Heat of Fusion, J/g 220
290
Maximum Temperature: Mechanical, °C 230
1050
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 180
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 46
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 74
40
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
170
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
520
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 20
24
Strength to Weight: Bending, points 13 to 19
22
Thermal Diffusivity, mm2/s 53
4.0
Thermal Shock Resistance, points 14 to 23
18

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
21.5 to 24.5
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
0.050 to 0.6
Iron (Fe), % 0
65 to 75.4
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0
0.050 to 0.6
Nickel (Ni), % 1.0 to 2.0
3.0 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0