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CC381H Copper-nickel vs. N08535 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while N08535 stainless steel belongs to the iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. 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 N08535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
46
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
80
Tensile Strength: Ultimate (UTS), MPa 380
570
Tensile Strength: Yield (Proof), MPa 140
240

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 260
1100
Melting Completion (Liquidus), °C 1180
1420
Melting Onset (Solidus), °C 1120
1370
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 16
16

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
36
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 5.0
6.3
Embodied Energy, MJ/kg 73
87
Embodied Water, L/kg 280
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
210
Resilience: Unit (Modulus of Resilience), kJ/m3 68
140
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
20
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 8.4
3.3
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 64.5 to 69.9
0 to 1.5
Iron (Fe), % 0.5 to 1.5
29.4 to 44.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 29 to 31
29 to 36.5
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 0.030
Zinc (Zn), % 0 to 0.5
0