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AISI 384 Stainless Steel vs. Nickel 80A

AISI 384 stainless steel belongs to the iron alloys classification, while nickel 80A belongs to the nickel alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 480
1040

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 910
980
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
11
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
55
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.7
9.8
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 150
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17
35
Strength to Weight: Bending, points 17
27
Thermal Diffusivity, mm2/s 4.3
2.9
Thermal Shock Resistance, points 11
31

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.8
Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 15 to 17
18 to 21
Iron (Fe), % 60.9 to 68
0 to 3.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 17 to 19
69.4 to 79.7
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7