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CC381H Copper-nickel vs. EN 1.4104 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4104 stainless steel belongs to the iron 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 CC381H copper-nickel and the bottom bar is EN 1.4104 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.1 to 0.17
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
78.8 to 84.1
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.5
Molybdenum (Mo), % 0
0.2 to 0.6
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0.15 to 0.35
Zinc (Zn), % 0 to 0.5
0