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N08366 Stainless Steel vs. S21460 Stainless Steel

Both N08366 stainless steel and S21460 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 72% of their average alloy composition in common. There are 29 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 N08366 stainless steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
46
Fatigue Strength, MPa 190
390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 390
580
Tensile Strength: Ultimate (UTS), MPa 590
830
Tensile Strength: Yield (Proof), MPa 240
430

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 33
14
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 6.2
3.0
Embodied Energy, MJ/kg 84
43
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 42
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
320
Resilience: Unit (Modulus of Resilience), kJ/m3 150
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
30
Strength to Weight: Bending, points 19
26
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.12
Chromium (Cr), % 20 to 22
17 to 19
Iron (Fe), % 42.4 to 50.5
57.3 to 63.7
Manganese (Mn), % 0 to 2.0
14 to 16
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030