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C14300 Copper vs. S82031 Stainless Steel

C14300 copper belongs to the copper alloys classification, while S82031 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C14300 copper and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.0 to 42
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 150 to 260
540
Tensile Strength: Ultimate (UTS), MPa 220 to 460
780
Tensile Strength: Yield (Proof), MPa 76 to 430
570

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 220
980
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1050
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 96
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 96
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 72
280
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 810
820
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 14
28
Strength to Weight: Bending, points 9.1 to 15
24
Thermal Diffusivity, mm2/s 110
3.9
Thermal Shock Resistance, points 7.8 to 16
22

Alloy Composition

Cadmium (Cd), % 0.050 to 0.15
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 99.9 to 99.95
0 to 1.0
Iron (Fe), % 0
68 to 78.3
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0
0.6 to 1.4
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.0050