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S35115 Stainless Steel vs. S82122 Stainless Steel

Both S35115 stainless steel and S82122 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 (2, in this case) are not shown.

For each property being compared, the top bar is S35115 stainless steel and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
34
Fatigue Strength, MPa 280
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 470
460
Tensile Strength: Ultimate (UTS), MPa 670
680
Tensile Strength: Yield (Proof), MPa 310
450

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 67
37
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 35
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
210
Resilience: Unit (Modulus of Resilience), kJ/m3 240
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
20.5 to 21.5
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 47.6 to 55.8
68.9 to 75.4
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 1.5 to 2.5
0 to 0.6
Nickel (Ni), % 19 to 22
1.5 to 2.5
Nitrogen (N), % 0.2 to 0.3
0.15 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.020