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C81400 Copper vs. N08366 Stainless Steel

C81400 copper belongs to the copper alloys classification, while N08366 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 C81400 copper and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 11
34
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 69
82
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 370
590
Tensile Strength: Yield (Proof), MPa 250
240

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1070
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 260
13
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 45
84
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
150
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
20
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 75
3.4
Thermal Shock Resistance, points 13
13

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0.6 to 1.0
20 to 22
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
42.4 to 50.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
23.5 to 25.5
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