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AISI 384 Stainless Steel vs. CC382H Copper-nickel

AISI 384 stainless steel belongs to the iron alloys classification, while CC382H copper-nickel belongs to the copper alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. 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 AISI 384 stainless steel and the bottom bar is CC382H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
130
Elastic (Young's, Tensile) Modulus, GPa 200
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
53
Tensile Strength: Ultimate (UTS), MPa 480
490

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 910
260
Melting Completion (Liquidus), °C 1420
1180
Melting Onset (Solidus), °C 1380
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
41
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.7
5.2
Embodied Energy, MJ/kg 52
76
Embodied Water, L/kg 150
290

Common Calculations

Stiffness to Weight: Axial, points 14
8.8
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 4.3
8.2
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0
0 to 0.0020
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 15 to 17
1.5 to 2.0
Copper (Cu), % 0
62.8 to 68.4
Iron (Fe), % 60.9 to 68
0.5 to 1.0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Nickel (Ni), % 17 to 19
29 to 32
Phosphorus (P), % 0 to 0.045
0 to 0.010
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tellurium (Te), % 0
0 to 0.0050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.15