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AISI 410 Stainless Steel vs. S82121 Stainless Steel

Both AISI 410 stainless steel and S82121 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 410 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 22
28
Fatigue Strength, MPa 190 to 350
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Shear Strength, MPa 330 to 470
470
Tensile Strength: Ultimate (UTS), MPa 520 to 770
730
Tensile Strength: Yield (Proof), MPa 290 to 580
510

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 710
1020
Melting Completion (Liquidus), °C 1530
1430
Melting Onset (Solidus), °C 1480
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 27
40
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 13
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 860
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 28
26
Strength to Weight: Bending, points 19 to 24
23
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 18 to 26
20

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.035
Chromium (Cr), % 11.5 to 13.5
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 83.5 to 88.4
66.7 to 75.4
Manganese (Mn), % 0 to 1.0
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0 to 0.75
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010