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C82200 Copper vs. S20432 Stainless Steel

C82200 copper belongs to the copper alloys classification, while S20432 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C82200 copper and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 20
45
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 60 to 96
81
Shear Modulus, GPa 44
76
Tensile Strength: Ultimate (UTS), MPa 390 to 660
580
Tensile Strength: Yield (Proof), MPa 210 to 520
230

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Maximum Temperature: Mechanical, °C 230
900
Melting Completion (Liquidus), °C 1080
1410
Melting Onset (Solidus), °C 1040
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 180
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 46
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.7
Embodied Energy, MJ/kg 74
38
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 20
21
Strength to Weight: Bending, points 13 to 19
20
Thermal Diffusivity, mm2/s 53
4.0
Thermal Shock Resistance, points 14 to 23
13

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 18
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
2.0 to 3.0
Iron (Fe), % 0
66.7 to 74
Manganese (Mn), % 0
3.0 to 5.0
Nickel (Ni), % 1.0 to 2.0
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0