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C19400 Copper vs. N08020 Stainless Steel

C19400 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 (4, in this case) are not shown.

For each property being compared, the top bar is C19400 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, % 2.3 to 37
15 to 34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Shear Strength, MPa 210 to 300
380 to 410
Tensile Strength: Ultimate (UTS), MPa 310 to 630
610 to 620
Tensile Strength: Yield (Proof), MPa 98 to 520
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1410
Melting Onset (Solidus), °C 1080
1360
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 260
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58 to 68
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 58 to 69
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 40
92
Embodied Water, L/kg 300
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 220
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 1140
180 to 440
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.7 to 20
21
Strength to Weight: Bending, points 11 to 18
20
Thermal Diffusivity, mm2/s 75
3.2
Thermal Shock Resistance, points 11 to 22
15

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 96.8 to 97.8
3.0 to 4.0
Iron (Fe), % 2.1 to 2.6
29.9 to 44
Lead (Pb), % 0 to 0.030
0
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), % 0.015 to 0.15
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 0.050 to 0.2
0
Residuals, % 0 to 0.2
0