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CC381H Copper-nickel vs. EN 1.4547 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4547 stainless steel belongs to the iron alloys. They have a modest 20% 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 (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 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
230
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
39
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
80
Tensile Strength: Ultimate (UTS), MPa 380
750
Tensile Strength: Yield (Proof), MPa 140
340

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 260
1090
Melting Completion (Liquidus), °C 1180
1470
Melting Onset (Solidus), °C 1120
1420
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 30
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
28
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 5.0
5.6
Embodied Energy, MJ/kg 73
75
Embodied Water, L/kg 280
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
240
Resilience: Unit (Modulus of Resilience), kJ/m3 68
290
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
26
Strength to Weight: Bending, points 13
23
Thermal Diffusivity, mm2/s 8.4
3.8
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 64.5 to 69.9
0.5 to 1.0
Iron (Fe), % 0.5 to 1.5
51 to 56.3
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 29 to 31
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.010
Zinc (Zn), % 0 to 0.5
0