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C19020 Copper vs. EN 1.4490 Stainless Steel

C19020 copper belongs to the copper alloys classification, while EN 1.4490 stainless steel belongs to the iron alloys. There are 25 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 EN 1.4490 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
Tensile Strength: Ultimate (UTS), MPa 440 to 590
560

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1030
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 190
15
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 50
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 310
150

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 14 to 18
20
Strength to Weight: Bending, points 14 to 18
19
Thermal Diffusivity, mm2/s 55
4.1
Thermal Shock Resistance, points 16 to 21
16

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 95.7 to 99.19
0
Iron (Fe), % 0
61.7 to 70.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0.5 to 3.0
9.0 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0.010 to 0.2
0 to 0.035
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.3 to 0.9
0
Residuals, % 0 to 0.2
0