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Nickel 80A vs. AISI 440A Stainless Steel

Nickel 80A belongs to the nickel alloys classification, while AISI 440A stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 80A and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
5.0 to 20
Fatigue Strength, MPa 430
270 to 790
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 660
450 to 1040
Tensile Strength: Ultimate (UTS), MPa 1040
730 to 1790
Tensile Strength: Yield (Proof), MPa 710
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 980
760
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 11
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.0
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 9.8
2.2
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 280
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
87 to 120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35
26 to 65
Strength to Weight: Bending, points 27
23 to 43
Thermal Diffusivity, mm2/s 2.9
6.2
Thermal Shock Resistance, points 31
26 to 65

Alloy Composition

Aluminum (Al), % 0.5 to 1.8
0
Carbon (C), % 0 to 0.1
0.6 to 0.75
Chromium (Cr), % 18 to 21
16 to 18
Iron (Fe), % 0 to 3.0
78.4 to 83.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 69.4 to 79.7
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 1.8 to 2.7
0