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AISI 321H Stainless Steel vs. N06200 Nickel

AISI 321H stainless steel belongs to the iron alloys classification, while N06200 nickel belongs to the nickel alloys. They have a modest 30% 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 N06200 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 40
51
Fatigue Strength, MPa 200
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
84
Shear Strength, MPa 400
560
Tensile Strength: Ultimate (UTS), MPa 580
780
Tensile Strength: Yield (Proof), MPa 230
320

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 15
9.1
Thermal Expansion, µm/m-K 17
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.2
12
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
320
Resilience: Unit (Modulus of Resilience), kJ/m3 140
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.0
2.4
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.040 to 0.1
0 to 0.010
Chromium (Cr), % 17 to 19
22 to 24
Cobalt (Co), % 0
0 to 2.0
Copper (Cu), % 0
1.3 to 1.9
Iron (Fe), % 65.4 to 74
0 to 3.0
Manganese (Mn), % 0 to 2.0
0 to 0.010
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 9.0 to 12
51 to 61.7
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.7
0