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C18700 Copper vs. AISI 201L Stainless Steel

C18700 copper belongs to the copper alloys classification, while AISI 201L 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 C18700 copper and the bottom bar is AISI 201L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.0 to 9.6
22 to 46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Shear Strength, MPa 170 to 190
520 to 660
Tensile Strength: Ultimate (UTS), MPa 290 to 330
740 to 1040
Tensile Strength: Yield (Proof), MPa 230 to 250
290 to 790

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
880
Melting Completion (Liquidus), °C 1080
1410
Melting Onset (Solidus), °C 950
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
12
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
38
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
220 to 1570
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.0 to 10
27 to 37
Strength to Weight: Bending, points 11 to 12
24 to 30
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 10 to 12
16 to 23

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 98 to 99.2
0
Iron (Fe), % 0
67.9 to 75
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.25
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