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C81400 Copper vs. EN 1.3549 Stainless Steel

C81400 copper belongs to the copper alloys classification, while EN 1.3549 stainless steel belongs to the iron alloys. There are 24 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 C81400 copper and the bottom bar is EN 1.3549 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 370
730

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
910
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1070
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 61
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
10
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 45
37
Embodied Water, L/kg 310
130

Common Calculations

Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
27
Strength to Weight: Bending, points 13
24
Thermal Diffusivity, mm2/s 75
5.6
Thermal Shock Resistance, points 13
26

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0.85 to 1.0
Chromium (Cr), % 0.6 to 1.0
17 to 19
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
77.5 to 82
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.070 to 0.12
Residuals, % 0 to 0.5
0