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C18100 Copper vs. N08926 Stainless Steel

C18100 copper belongs to the copper alloys classification, while N08926 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 C18100 copper and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
80
Shear Strength, MPa 300
500
Tensile Strength: Ultimate (UTS), MPa 510
740
Tensile Strength: Yield (Proof), MPa 460
330

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1020
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 320
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 81
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.7
6.2
Embodied Energy, MJ/kg 43
84
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
240
Resilience: Unit (Modulus of Resilience), kJ/m3 900
270
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 16
25
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 94
3.2
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0.4 to 1.2
19 to 21
Copper (Cu), % 98.7 to 99.49
0.5 to 1.5
Iron (Fe), % 0
41.7 to 50.4
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0