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AISI 321H Stainless Steel vs. N10624 Nickel

AISI 321H stainless steel belongs to the iron alloys classification, while N10624 nickel belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 321H stainless steel and the bottom bar is N10624 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 40
45
Fatigue Strength, MPa 200
310
Poisson's Ratio 0.28
0.3
Rockwell B Hardness 82
86
Shear Modulus, GPa 77
84
Shear Strength, MPa 400
570
Tensile Strength: Ultimate (UTS), MPa 580
810
Tensile Strength: Yield (Proof), MPa 230
360

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 940
930
Melting Completion (Liquidus), °C 1430
1580
Melting Onset (Solidus), °C 1380
1520
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16
70
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 3.2
13
Embodied Energy, MJ/kg 46
170
Embodied Water, L/kg 140
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
300
Resilience: Unit (Modulus of Resilience), kJ/m3 140
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 12
24

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
6.0 to 10
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 65.4 to 74
5.0 to 8.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
21 to 25
Nickel (Ni), % 9.0 to 12
53.9 to 68
Phosphorus (P), % 0 to 0.045
0 to 0.025
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