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CC381H Copper-nickel vs. N08367 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while N08367 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 (6, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is N08367 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
210
Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 20
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
80
Tensile Strength: Ultimate (UTS), MPa 380
740
Tensile Strength: Yield (Proof), MPa 140
350

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
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 40
33
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 5.0
6.2
Embodied Energy, MJ/kg 73
84
Embodied Water, L/kg 280
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
210
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
25
Strength to Weight: Bending, points 13
22
Thermal Diffusivity, mm2/s 8.4
3.2
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 64.5 to 69.9
0 to 0.75
Iron (Fe), % 0.5 to 1.5
41.4 to 50.3
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 29 to 31
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.25
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 to 0.030
Zinc (Zn), % 0 to 0.5
0