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S82011 Stainless Steel vs. S32803 Stainless Steel

Both S82011 stainless steel and S32803 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 90% 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 S82011 stainless steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
18
Fatigue Strength, MPa 410
350
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 490
420
Tensile Strength: Ultimate (UTS), MPa 730
680
Tensile Strength: Yield (Proof), MPa 510
560

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
510
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 37
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 27
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 660
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 4.0
4.4
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 20.5 to 23.5
28 to 29
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 68.6 to 76.3
62.9 to 67.1
Manganese (Mn), % 2.0 to 3.0
0 to 0.5
Molybdenum (Mo), % 0.1 to 1.0
1.8 to 2.5
Nickel (Ni), % 1.0 to 2.0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0.15 to 0.27
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.020
0 to 0.0035