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C82200 Copper vs. S40920 Stainless Steel

C82200 copper belongs to the copper alloys classification, while S40920 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 S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0 to 20
22
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 60 to 96
77
Shear Modulus, GPa 44
75
Tensile Strength: Ultimate (UTS), MPa 390 to 660
430
Tensile Strength: Yield (Proof), MPa 210 to 520
190

Thermal Properties

Latent Heat of Fusion, J/g 220
270
Maximum Temperature: Mechanical, °C 230
710
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 180
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 46
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
6.5
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.0
Embodied Energy, MJ/kg 74
28
Embodied Water, L/kg 310
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
78
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
97
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 20
15
Strength to Weight: Bending, points 13 to 19
16
Thermal Diffusivity, mm2/s 53
6.9
Thermal Shock Resistance, points 14 to 23
15

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
0
Iron (Fe), % 0
85.1 to 89.4
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 1.0 to 2.0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5
Residuals, % 0 to 0.5
0