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Stainless Steel SS 409 is a ferritic stainless blade alloy primarily composed of atomic number 26, chromium (10.5–11.75%), and small quantity of other elements, such as manganese, Si, and carbon copy. It is one of the lower-toll untarnished steel grades due to its relatively low atomic number 24 content compared to early stainless steels, like SS 304 or SS 316.
Grade | C | Mn | Si | P | S | Cr | Ni | Ti | |
---|---|---|---|---|---|---|---|---|---|
409 | min. | - | - | - | - | - | 10.5 | - | 6x C |
max. | 0.08 | 1 | 1 | 0.045 | 0.045 | 11.75 | 0.5 | 0.75 |
Stainless Steel SS 409 is a price-effective, ferritic stainless steel that excels in eminent-temperature applications where oxidation electrical resistance is critical. With its 10. 5–11. 75% atomic number 24 subject, SS409 provides moderate erosion resistance and good durability, peculiarly at elevated temperature. While it lacks the ranking corroding resistance of austenitic grades like SS 304 and SS 316, SS 409 is a first-class option for environments where oxidization resistor is more crucial than overall corrosion resistance.