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AISI 321H Stainless Steel vs. N06230 Nickel

AISI 321H stainless steel belongs to the iron alloys classification, while N06230 nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 321H stainless steel and the bottom bar is N06230 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
38 to 48
Fatigue Strength, MPa 200
250 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
83
Shear Strength, MPa 400
420 to 600
Tensile Strength: Ultimate (UTS), MPa 580
620 to 840
Tensile Strength: Yield (Proof), MPa 230
330 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1380
1300
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 15
8.9
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
85
Density, g/cm3 7.8
9.5
Embodied Carbon, kg CO2/kg material 3.2
11
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 140
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
200 to 330
Resilience: Unit (Modulus of Resilience), kJ/m3 140
250 to 380
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 21
18 to 25
Strength to Weight: Bending, points 20
17 to 21
Thermal Diffusivity, mm2/s 4.0
2.3
Thermal Shock Resistance, points 12
17 to 23

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Boron (B), % 0
0 to 0.015
Carbon (C), % 0.040 to 0.1
0.050 to 0.15
Chromium (Cr), % 17 to 19
20 to 24
Cobalt (Co), % 0
0 to 5.0
Iron (Fe), % 65.4 to 74
0 to 3.0
Lanthanum (La), % 0
0.0050 to 0.050
Manganese (Mn), % 0 to 2.0
0.3 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Nickel (Ni), % 9.0 to 12
47.5 to 65.2
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0.25 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.7
0
Tungsten (W), % 0
13 to 15