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AISI 310S Stainless Steel vs. AISI 308L Stainless Steel

Both AISI 310S stainless steel and AISI 308L stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is AISI 308L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 44
34
Fatigue Strength, MPa 250 to 280
180
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 420 to 470
380
Tensile Strength: Ultimate (UTS), MPa 600 to 710
580
Tensile Strength: Yield (Proof), MPa 270 to 350
230

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.2
Embodied Energy, MJ/kg 61
45
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 25
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
160
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
21
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 24 to 26
19.5 to 22
Iron (Fe), % 48.3 to 57
63.8 to 70.5
Manganese (Mn), % 0 to 2.0
1.0 to 2.5
Nickel (Ni), % 19 to 22
9.0 to 11
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.5
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030