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CC381H Copper-nickel vs. AISI 422 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while AISI 422 stainless steel belongs to the iron alloys. 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 AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
15 to 17
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 380
910 to 1080
Tensile Strength: Yield (Proof), MPa 140
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 260
650
Melting Completion (Liquidus), °C 1180
1480
Melting Onset (Solidus), °C 1120
1470
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 30
24
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
11
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 5.0
3.1
Embodied Energy, MJ/kg 73
44
Embodied Water, L/kg 280
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 68
1140 to 1910
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
32 to 38
Strength to Weight: Bending, points 13
26 to 30
Thermal Diffusivity, mm2/s 8.4
6.4
Thermal Shock Resistance, points 13
33 to 39

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
81.9 to 85.8
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 29 to 31
0.5 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 0 to 0.5
0