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CC381H Copper-nickel vs. S82012 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while S82012 stainless steel belongs to the iron alloys. There are 28 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 S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
78
Tensile Strength: Ultimate (UTS), MPa 380
800
Tensile Strength: Yield (Proof), MPa 140
560

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 260
950
Melting Completion (Liquidus), °C 1180
1430
Melting Onset (Solidus), °C 1120
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 16
13

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
11
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.4
Embodied Energy, MJ/kg 73
35
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
290
Resilience: Unit (Modulus of Resilience), kJ/m3 68
790
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
29
Strength to Weight: Bending, points 13
25
Thermal Diffusivity, mm2/s 8.4
3.9
Thermal Shock Resistance, points 13
23

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 0
19 to 20.5
Copper (Cu), % 64.5 to 69.9
0 to 1.0
Iron (Fe), % 0.5 to 1.5
71.3 to 77.9
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 29 to 31
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.0050
Zinc (Zn), % 0 to 0.5
0