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EN 1.4557 Stainless Steel vs. C55181 Copper

EN 1.4557 stainless steel belongs to the iron alloys classification, while C55181 copper belongs to the copper alloys. There are 20 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 1.4557 stainless steel and the bottom bar is C55181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 560
200

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1090
200
Melting Completion (Liquidus), °C 1460
790
Melting Onset (Solidus), °C 1420
710
Specific Heat Capacity, J/kg-K 460
410
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 29
28
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 5.6
2.4
Embodied Energy, MJ/kg 76
38
Embodied Water, L/kg 190
290

Common Calculations

Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19
6.5
Strength to Weight: Bending, points 19
8.9
Thermal Shock Resistance, points 12
8.2

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
92.4 to 93
Iron (Fe), % 49.5 to 56.3
0
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
7.0 to 7.5
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.15