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AISI 321H Stainless Steel vs. N06058 Nickel

AISI 321H stainless steel belongs to the iron alloys classification, while N06058 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 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 321H stainless steel and the bottom bar is N06058 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 40
45
Fatigue Strength, MPa 200
350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
86
Shear Strength, MPa 400
600
Tensile Strength: Ultimate (UTS), MPa 580
860
Tensile Strength: Yield (Proof), MPa 230
410

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
980
Melting Completion (Liquidus), °C 1430
1540
Melting Onset (Solidus), °C 1380
1490
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 15
9.8
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
70
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.2
13
Embodied Energy, MJ/kg 46
170
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
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
27
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
2.6
Thermal Shock Resistance, points 12
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.040 to 0.1
0 to 0.010
Chromium (Cr), % 17 to 19
20 to 23
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 65.4 to 74
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
19 to 21
Nickel (Ni), % 9.0 to 12
52.2 to 61
Nitrogen (N), % 0
0.020 to 0.15
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.7
0
Tungsten (W), % 0
0 to 0.3