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S82122 Stainless Steel vs. S33425 Stainless Steel

Both S82122 stainless steel and S33425 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% 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 S82122 stainless steel and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 360
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 460
400
Tensile Strength: Ultimate (UTS), MPa 680
580
Tensile Strength: Yield (Proof), MPa 450
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
500
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 37
71
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 25
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
210
Resilience: Unit (Modulus of Resilience), kJ/m3 510
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 20.5 to 21.5
21 to 23
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 68.9 to 75.4
47.2 to 56.7
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
2.0 to 3.0
Nickel (Ni), % 1.5 to 2.5
20 to 23
Nitrogen (N), % 0.15 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6