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C19020 Copper vs. S35140 Stainless Steel

C19020 copper belongs to the copper alloys classification, while S35140 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C19020 copper and the bottom bar is S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.3 to 5.7
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
78
Shear Strength, MPa 260 to 340
460
Tensile Strength: Ultimate (UTS), MPa 440 to 590
690

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1030
1370
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 190
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 50
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.5
Embodied Energy, MJ/kg 44
78
Embodied Water, L/kg 310
190

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 14 to 18
24
Strength to Weight: Bending, points 14 to 18
22
Thermal Diffusivity, mm2/s 55
3.7
Thermal Shock Resistance, points 16 to 21
16

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 95.7 to 99.19
0
Iron (Fe), % 0
44.1 to 52.7
Manganese (Mn), % 0
1.0 to 3.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0.5 to 3.0
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0.010 to 0.2
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.3 to 0.9
0
Residuals, % 0 to 0.2
0