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EN 1.4104 Stainless Steel vs. CC381H Copper-nickel

EN 1.4104 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 1.4104 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 11 to 23
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
52
Tensile Strength: Ultimate (UTS), MPa 630 to 750
380
Tensile Strength: Yield (Proof), MPa 350 to 560
140

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 860
260
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1390
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
40
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.2
5.0
Embodied Energy, MJ/kg 30
73
Embodied Water, L/kg 120
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
60
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 23 to 27
12
Strength to Weight: Bending, points 21 to 24
13
Thermal Diffusivity, mm2/s 6.7
8.4
Thermal Shock Resistance, points 22 to 27
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.1 to 0.17
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 78.8 to 84.1
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.5
0.6 to 1.2
Molybdenum (Mo), % 0.2 to 0.6
0
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), % 0.15 to 0.35
0 to 0.010
Zinc (Zn), % 0
0 to 0.5