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EN 1.4729 Stainless Steel vs. C55180 Copper

EN 1.4729 stainless steel belongs to the iron alloys classification, while C55180 copper belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 15
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
41

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 850
200
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
710
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 24
200
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
29
Density, g/cm3 7.6
8.6
Embodied Carbon, kg CO2/kg material 2.1
2.5
Embodied Energy, MJ/kg 29
39
Embodied Water, L/kg 100
290

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 6.5
56

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
94.7 to 95.2
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
Phosphorus (P), % 0 to 0.040
4.8 to 5.2
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.15