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EN 1.4557 Stainless Steel vs. CC383H Copper-nickel

EN 1.4557 stainless steel belongs to the iron alloys classification, while CC383H copper-nickel belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 CC383H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
130
Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 40
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
52
Tensile Strength: Ultimate (UTS), MPa 560
490
Tensile Strength: Yield (Proof), MPa 300
260

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1090
260
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1420
1130
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
5.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
44
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.6
5.7
Embodied Energy, MJ/kg 76
83
Embodied Water, L/kg 190
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
84
Resilience: Unit (Modulus of Resilience), kJ/m3 210
250
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0
0 to 0.010
Boron (B), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.020
Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
64 to 69.1
Iron (Fe), % 49.5 to 56.3
0.5 to 1.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.2
0.6 to 1.2
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
29 to 31
Niobium (Nb), % 0
0.5 to 1.0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Selenium (Se), % 0
0 to 0.010
Silicon (Si), % 0 to 1.0
0.3 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.010
Tellurium (Te), % 0
0 to 0.010
Zinc (Zn), % 0
0 to 0.5