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EN 1.4028 Stainless Steel vs. CC381H Copper-nickel

EN 1.4028 stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4028 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 11 to 17
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
52
Tensile Strength: Ultimate (UTS), MPa 660 to 930
380
Tensile Strength: Yield (Proof), MPa 390 to 730
140

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 760
260
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 30
30
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
40
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 1.9
5.0
Embodied Energy, MJ/kg 27
73
Embodied Water, L/kg 100
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 96
60
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 33
12
Strength to Weight: Bending, points 22 to 27
13
Thermal Diffusivity, mm2/s 8.1
8.4
Thermal Shock Resistance, points 23 to 32
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.26 to 0.35
0 to 0.030
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 83.1 to 87.7
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.5
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Zinc (Zn), % 0
0 to 0.5