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C81400 Copper vs. AISI 316L Stainless Steel

C81400 copper belongs to the copper alloys classification, while AISI 316L stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
9.0 to 50
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 69
80
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 370
530 to 1160
Tensile Strength: Yield (Proof), MPa 250
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1090
1400
Melting Onset (Solidus), °C 1070
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 260
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
19
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 260
93 to 1880
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
19 to 41
Strength to Weight: Bending, points 13
18 to 31
Thermal Diffusivity, mm2/s 75
4.1
Thermal Shock Resistance, points 13
12 to 25

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.6 to 1.0
16 to 18
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
62 to 72
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0