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EN 1.4458 Stainless Steel vs. CC382H Copper-nickel

EN 1.4458 stainless steel belongs to the iron alloys classification, while CC382H copper-nickel belongs to the copper alloys. They have a modest 33% 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 1.4458 stainless steel and the bottom bar is CC382H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 34
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
53
Tensile Strength: Ultimate (UTS), MPa 510
490
Tensile Strength: Yield (Proof), MPa 190
290

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
260
Melting Completion (Liquidus), °C 1420
1180
Melting Onset (Solidus), °C 1370
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
5.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
41
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.4
5.2
Embodied Energy, MJ/kg 75
76
Embodied Water, L/kg 200
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
85
Resilience: Unit (Modulus of Resilience), kJ/m3 89
290
Stiffness to Weight: Axial, points 14
8.8
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 4.2
8.2
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0
0 to 0.0020
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19 to 22
1.5 to 2.0
Copper (Cu), % 0 to 2.0
62.8 to 68.4
Iron (Fe), % 40.2 to 53
0.5 to 1.0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 26 to 30
29 to 32
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Tellurium (Te), % 0
0 to 0.0050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.15