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S32906 Stainless Steel vs. S82031 Stainless Steel

Both S32906 stainless steel and S82031 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% 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 S32906 stainless steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
39
Fatigue Strength, MPa 460
490
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
27
Shear Modulus, GPa 81
78
Shear Strength, MPa 550
540
Tensile Strength: Ultimate (UTS), MPa 850
780
Tensile Strength: Yield (Proof), MPa 620
570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 13
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 20
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 52
39
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 41
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
280
Resilience: Unit (Modulus of Resilience), kJ/m3 950
820
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
28
Strength to Weight: Bending, points 26
24
Thermal Diffusivity, mm2/s 3.6
3.9
Thermal Shock Resistance, points 23
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 28 to 30
19 to 22
Copper (Cu), % 0 to 0.8
0 to 1.0
Iron (Fe), % 56.6 to 63.6
68 to 78.3
Manganese (Mn), % 0.8 to 1.5
0 to 2.5
Molybdenum (Mo), % 1.5 to 2.6
0.6 to 1.4
Nickel (Ni), % 5.8 to 7.5
2.0 to 4.0
Nitrogen (N), % 0.3 to 0.4
0.14 to 0.24
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050