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AISI 310 Stainless Steel vs. N08320 Stainless Steel

Both AISI 310 stainless steel and N08320 stainless steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is AISI 310 stainless steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
40
Fatigue Strength, MPa 240 to 280
190
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 82
84
Shear Modulus, GPa 78
78
Shear Strength, MPa 420 to 470
400
Tensile Strength: Ultimate (UTS), MPa 600 to 710
580
Tensile Strength: Yield (Proof), MPa 260 to 350
220

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1040
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.3
4.9
Embodied Energy, MJ/kg 61
69
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 25
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
20
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 3.9
3.3
Thermal Shock Resistance, points 14 to 17
13

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.050
Chromium (Cr), % 24 to 26
21 to 23
Iron (Fe), % 48.2 to 57
40.4 to 50
Manganese (Mn), % 0 to 2.0
0 to 2.5
Nickel (Ni), % 19 to 22
25 to 27
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030