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EN 1.4729 Stainless Steel vs. C10500 Copper

EN 1.4729 stainless steel belongs to the iron alloys classification, while C10500 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is C10500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 15
2.8 to 51
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
43

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 850
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1380
1080
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 24
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
32
Density, g/cm3 7.6
9.0
Embodied Carbon, kg CO2/kg material 2.1
2.6
Embodied Energy, MJ/kg 29
42
Embodied Water, L/kg 100
350

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 6.5
110

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
99.89 to 99.966
Iron (Fe), % 80.4 to 86.7
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Oxygen (O), % 0
0 to 0.0010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Silver (Ag), % 0
0.034 to 0.060
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.050