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N08367 Stainless Steel vs. AISI 308 Stainless Steel

Both N08367 stainless steel and AISI 308 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is N08367 stainless steel and the bottom bar is AISI 308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 280
210
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
57
Rockwell B Hardness 88
76
Shear Modulus, GPa 80
78
Shear Strength, MPa 490
410
Tensile Strength: Ultimate (UTS), MPa 740
590
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 33
17
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
3.2
Embodied Energy, MJ/kg 84
46
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 46
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
210
Resilience: Unit (Modulus of Resilience), kJ/m3 290
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 20 to 22
19 to 21
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
64.1 to 71
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
10 to 12
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030