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CC381H Copper-nickel vs. AISI 384 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while AISI 384 stainless steel belongs to the iron alloys. There are 25 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 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
150
Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 380
480

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 260
910
Melting Completion (Liquidus), °C 1180
1420
Melting Onset (Solidus), °C 1120
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 16
16

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
20
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 5.0
3.7
Embodied Energy, MJ/kg 73
52
Embodied Water, L/kg 280
150

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
17
Strength to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 8.4
4.3
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
60.9 to 68
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 2.0
Nickel (Ni), % 29 to 31
17 to 19
Phosphorus (P), % 0 to 0.010
0 to 0.045
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