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AISI 309 Stainless Steel vs. S32906 Stainless Steel

Both AISI 309 stainless steel and S32906 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34 to 47
28
Fatigue Strength, MPa 250 to 280
460
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 420 to 470
550
Tensile Strength: Ultimate (UTS), MPa 600 to 710
850
Tensile Strength: Yield (Proof), MPa 260 to 350
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 15
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
3.7
Embodied Energy, MJ/kg 51
52
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 23
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
220
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
950
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
30
Strength to Weight: Bending, points 20 to 23
26
Thermal Diffusivity, mm2/s 4.3
3.6
Thermal Shock Resistance, points 14 to 16
23

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 22 to 24
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 58 to 66
56.6 to 63.6
Manganese (Mn), % 0 to 2.0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 12 to 15
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030