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409 Stainless Steel

UNS S40900

Type 409 has the lowest chromium content of the 400 series stainless steels. It cannot be heat-treated and because of its lower chromium content, Type 409 has lower corrosion resistance than other 400 series alloys and is not suitable for high quality appearance applications. Typical applications include automobile mufflers, casket liners, trailer bodies and swimming pool fixtures.

Slitting Capabilities
Gauge Range
.004" to .190" (.102 mm to 4.826 mm)
Width Range
.250" to 60" (6.365 mm to 1524 mm)
ID
8, 12, 16 or 20 (inches)
OD
78" maximum
Coil Weight
40,000 lbs maximum
MECHANICAL PROPERTY LIMITS
Temper Tensile Strength Yield Strength Elongation Rockwell
KSi MPa KSi MPa in 2 inches %
Annealed 55 -380 30 -205 20 B-80 max.
CHEMICAL COMPOSITION LIMITS (%)
C
Carbon
Mn
Manganese
P
Phosphorus
S
Sulfur
Si
Silicon
Cr
Chromium
Ni
Nickel
N
Nitrogen
Mo
Molybdemum
Other
0.08 1 0.04 0.03 1 10.00-13.00 - 6 x C min - -
  • Chemical composition is percent maximum unless shown as a range or a minimum.
  • Source: Aluminum Standards and Data – The Aluminum Association, Inc.
  • Information presented as a guide for reference purposes only and is not intended to be used for product design or application.
Almetals is a world-class specialty aluminum supplier and metal supplier slitter and distributor for industries such as stamping, roll forming, and tube producers. Our coil products include: aluminum, brass & copper, clad metals, cold rolled, fin stock, and coated & stainless steels.
51035 Grand River Avenue
Wixom
Michigan
48393
United States