409 Stainless Steel Pipe

The 409 stainless steel pipe is a magnetic steel that is the best use for the exhaust system. It is used to create automotive and non-automotive exhaust parts, and stainless steel piping systems.

  • Finish: MF, BA, AP, 2B, No4
  • Temperature range: 790 to 900°C
  • Schedule: SCH10, SCH10S, STD, XS, etc.
  • Forms: U-type, round, rectangular, square

Your Trusted 409 SS Tube Manufacturer

TuoLian manufactures 409 SS pipes using highly durable materials and elements. It features great protection against elevated temperatures. This type of tube does not deform or damage when exposed to atmospheric corrosion. You can reshape or fold 409 SS tubes according to your applications.

Our 409 stainless steel tube provides reliable longevity and performance. It is ideal for intricate fabrication and suited for difficult-to-form parts. We offer you products with great properties at economical prices. If you need standard or customized 409 SS pipe, feel free to send us your inquiries.

Different Types of 409 SS Tube

Welded type

Size: 5.0 mm – 1219.2 mm

O.D. size: 6.35 mm OD To 152 mm OD

Length: 1250 x 2500, 1500 x 3000

Tube wall thickness: 0.020″ –0.220″

Seamless type

Size: 4 to 219mm W. T.: 0.5 to 20mm

O.D. size: 3.35 mm OD To 101.6 mm OD

Length: 1250 x 2500, 1500 x 3000

Tube wall thickness: 0.020″ –0.220″

Mechanical Properties
Metric Imperial
Tensile Strength, Yield 207 MPa 30 ksi


Tensile Strength, Ultimate 380 MPa 55 ksi


Rockwell Hardness B95 B95
Elongation at Break (in 2″) 20% 20%
Chemical Properties
Chromium(Cr) 10.5 – 11.75%
Manganese(Mn) 1.00% max
Nickel(Ni) 0.05%
Carbon(C) 0.08% max
Phosphorus(P) 0.045%
Sulfur(S) 0.045% max
Silicon(Si) 1.00% max
Titanium(Ti) 0.48 – 0.75%
Applications and Uses
  • Manifolds exhaust pipes
  • Catalytic converters
  • Automotive thermostats
  • Boiler pipe & tube
  • Fuel filters
  • Home heating systems
  • Electrical transformer cases
  • Mufflers
  • Tailpipes
  • Fluid pipe

Related Material

Choose the stainless steel grade you need, for any use, Tuolian always gives you the best solution.

One Stop Stainless Steel Supply.

Whether you need stainless steel materials for your business or fabrication projects, TuoLian is your best supplier. You can find all types, grades, and thicknesses based on your needs. Guaranteed that we provide the best quality at a reasonable cost.
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