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S82011 Stainless Steel vs. S44800 Stainless Steel

Both S82011 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common. There are 34 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 S82011 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
23
Fatigue Strength, MPa 410
300
Poisson's Ratio 0.27
0.27
Rockwell C Hardness 27
18
Shear Modulus, GPa 78
82
Shear Strength, MPa 490
370
Tensile Strength: Ultimate (UTS), MPa 730
590
Tensile Strength: Yield (Proof), MPa 510
450

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
460
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 37
52
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 27
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 660
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 20.5 to 23.5
28 to 30
Copper (Cu), % 0 to 0.5
0 to 0.15
Iron (Fe), % 68.6 to 76.3
62.6 to 66.5
Manganese (Mn), % 2.0 to 3.0
0 to 0.3
Molybdenum (Mo), % 0.1 to 1.0
3.5 to 4.2
Nickel (Ni), % 1.0 to 2.0
2.0 to 2.5
Nitrogen (N), % 0.15 to 0.27
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.020
0 to 0.020