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N08366 Stainless Steel vs. N08320 Stainless Steel

Both N08366 stainless steel and N08320 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is N08366 stainless steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 190
190
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 82
84
Shear Modulus, GPa 80
78
Shear Strength, MPa 390
400
Tensile Strength: Ultimate (UTS), MPa 590
580
Tensile Strength: Yield (Proof), MPa 240
220

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
28
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.2
4.9
Embodied Energy, MJ/kg 84
69
Embodied Water, L/kg 200
200

Common Calculations

PREN (Pitting Resistance) 42
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 150
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.4
3.3
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.050
Chromium (Cr), % 20 to 22
21 to 23
Iron (Fe), % 42.4 to 50.5
40.4 to 50
Manganese (Mn), % 0 to 2.0
0 to 2.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
25 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030