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CC381H Copper-nickel vs. EN 1.4652 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4652 stainless steel belongs to the iron alloys. They have a modest 24% 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 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
270
Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 20
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
81
Tensile Strength: Ultimate (UTS), MPa 380
880
Tensile Strength: Yield (Proof), MPa 140
490

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 260
1100
Melting Completion (Liquidus), °C 1180
1460
Melting Onset (Solidus), °C 1120
1410
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 30
9.8
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 40
34
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 5.0
6.4
Embodied Energy, MJ/kg 73
87
Embodied Water, L/kg 280
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
340
Resilience: Unit (Modulus of Resilience), kJ/m3 68
570
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
30
Strength to Weight: Bending, points 13
25
Thermal Diffusivity, mm2/s 8.4
2.6
Thermal Shock Resistance, points 13
20

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 64.5 to 69.9
0.3 to 0.6
Iron (Fe), % 0.5 to 1.5
38.3 to 46.3
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 29 to 31
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0050
Zinc (Zn), % 0 to 0.5
0