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EN 1.4640 Stainless Steel vs. C55284 Copper

EN 1.4640 stainless steel belongs to the iron alloys classification, while C55284 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is C55284 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
38
Tensile Strength: Ultimate (UTS), MPa 620 to 650
180

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 930
200
Melting Completion (Liquidus), °C 1420
800
Melting Onset (Solidus), °C 1380
640
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.8
16
Embodied Energy, MJ/kg 40
260

Common Calculations

Stiffness to Weight: Axial, points 14
6.5
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22 to 23
5.6
Strength to Weight: Bending, points 21
8.0
Thermal Shock Resistance, points 14 to 15
7.4

Alloy Composition

Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
79.2 to 80.7
Iron (Fe), % 67.4 to 73.6
0
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
4.8 to 5.2
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
14.5 to 15.5
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.15