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AISI 321 Stainless Steel vs. Nickel Beryllium 360

AISI 321 stainless steel belongs to the iron alloys classification, while nickel beryllium 360 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 321 stainless steel and the bottom bar is nickel beryllium 360.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 50
1.0 to 30
Fatigue Strength, MPa 220 to 270
260 to 710
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
77
Shear Strength, MPa 420 to 460
510 to 1100
Tensile Strength: Ultimate (UTS), MPa 590 to 690
780 to 1860
Tensile Strength: Yield (Proof), MPa 220 to 350
380 to 1590

Thermal Properties

Melting Completion (Liquidus), °C 1430
1330
Melting Onset (Solidus), °C 1400
1200
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
5.4

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.3

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 230
12 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 310
360 to 3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
26 to 62
Strength to Weight: Bending, points 20 to 22
23 to 41
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 13 to 15
19 to 46

Comparable Variants