410 Corrosion Resistance
Alloy 410 exhibits good corrosion resistance to atmospheric corrosion, potable water, and to mildly corrosive chemical environments because of its ability to form a tightly adherent oxide film which protects its surface from further attack.
Its exposure to chlorides in everyday-type activities (e.g., food preparation, sports activities, etc.) is generally satisfactory when proper cleaning is performed after exposure to use.
General Corrosion Behavior Compared With Other Nonaustenitic stainless steel.
| 5% Test Solution at 120°F (49°C) |
Corrosion Rate in Mils per Year and Millimeters per Year (mm/a) |
| Alloy 409
|
Alloy 410 |
Alloy 420 |
Alloy 425 Mod
|
Alloy 440A |
Alloy 430 |
| Acetic Acid |
0.88
(0.022)
|
0.079
(0.002) |
1.11
(0.028) |
4.79
(0.122)
|
2.31
(0.0586) |
0.025
(0.0006) |
| Phosphoric Acid |
0.059
(0.002) |
0.062
(0.002) |
0.068
(0.002) |
0.593
(0.015) |
0.350
(0.009) |
0.029
(0.001) |
*Hardened martensitic grades were tested after tempering at 400°F (204°C).
As shown in the above table, these alloys have good corrosion resistance to low concentrations of mild organic and mineral acid
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Applications
Chemical Analysis
Corrosion Resistance
Physical Properties
Mechanical Properties
Fabricating Properties
Heat Treatment
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