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CC381H Copper-nickel vs. EN 1.4416 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4416 stainless steel belongs to the iron alloys. They have a modest 27% 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 CC381H copper-nickel and the bottom bar is EN 1.4416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
150
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
79
Tensile Strength: Ultimate (UTS), MPa 380
500
Tensile Strength: Yield (Proof), MPa 140
210

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 260
1100
Melting Completion (Liquidus), °C 1180
1450
Melting Onset (Solidus), °C 1120
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 40
31
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 5.0
5.8
Embodied Energy, MJ/kg 73
79
Embodied Water, L/kg 280
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
140
Resilience: Unit (Modulus of Resilience), kJ/m3 68
110
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
17
Strength to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 8.4
3.2
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
45.2 to 52.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 29 to 31
24 to 26
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Zinc (Zn), % 0 to 0.5
0