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EN 1.4640 Stainless Steel vs. C55180 Copper

EN 1.4640 stainless steel belongs to the iron alloys classification, while C55180 copper belongs to the copper alloys. There are 26 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 EN 1.4640 stainless steel and the bottom bar is C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 51
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 620 to 650
200
Tensile Strength: Yield (Proof), MPa 240 to 260
100

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 930
200
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
710
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
200
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 40
39
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
34
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
48
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22 to 23
6.4
Strength to Weight: Bending, points 21
8.8
Thermal Diffusivity, mm2/s 4.0
56
Thermal Shock Resistance, points 14 to 15
7.9

Alloy Composition

Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
94.7 to 95.2
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
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.15