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C14700 Copper vs. N08020 Stainless Steel

C14700 copper belongs to the copper alloys classification, while N08020 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C14700 copper and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 9.1 to 35
15 to 34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Shear Strength, MPa 160 to 190
380 to 410
Tensile Strength: Ultimate (UTS), MPa 240 to 320
610 to 620
Tensile Strength: Yield (Proof), MPa 85 to 250
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1410
Melting Onset (Solidus), °C 1070
1360
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 370
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 95
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 96
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 30
38
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 2.6
6.6
Embodied Energy, MJ/kg 41
92
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 65
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 31 to 280
180 to 440
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.3 to 10
21
Strength to Weight: Bending, points 9.5 to 12
20
Thermal Diffusivity, mm2/s 110
3.2
Thermal Shock Resistance, points 8.4 to 12
15

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 99.395 to 99.798
3.0 to 4.0
Iron (Fe), % 0
29.9 to 44
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0.0020 to 0.0050
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.2 to 0.5
0 to 0.035
Residuals, % 0 to 0.1
0