400Series Stainless Steel Sheets&Plates AISI 409L 410S 416 420 430 436L 439 441 443 444

400Series Stainless Steel Sheets&Plates AISI 409L 410S 416 420 430 436L 439 441 443 444

Products Specification

Introduce of 400 Series Stainless Steel

While, like all steels, it’s made mainly from iron, the remaining elemental makeup of the 400 series stainless steels is from 11 to 27 percent chromium, around 1 percent carbon, and a maximum of 2.5 percent nickel. With predominantly martensitic structures, these steels vary widely in their hardness and strength. These stainless steels resist corrosion less well than the 300 series, but they’re stronger and often offer a more effective solution, depending on the conditions the alloy must withstand. When choosing the best 400 series stainless steel for the application, it’s essential to consider each type’s general properties, resistances, and working methods.

Size Range of our 400 Series Stainless Steel Sheet & Plate

ADVANTAGES AND CHARACTERISTICS OF 400 SERIES STAINLESS STEEL

Ferritic, or nonhardenable stainless steels, are classified in the 400 series. This series is known for:

• superior corrosion resistance
• resistance to scaling at elevated temperatures
• inherent strength greater than carbon steels
• provide an advantage in many applications where thinner materials and reduced weight are necessary
• nonhardenable by heat treating
• always magnetic

Martensitic, or hardenable stainless steels, are classified in the 400 series. This series is known for:

• higher levels of carbon than ferritics
• ability to be heat treated to a wide range of hardness and strength levels
• excellent corrosion resistance
• easily machined
• good ductility

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