Walid Stainless, based in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality stainless steel products. Among their specialized offerings are Stainless Steel 409 Pipes, designed for applications requiring excellent corrosion resistance, high-temperature performance, and long-term durability. Known for their reliability in industrial and automotive environments, these pipes are ideal for exhaust systems, heat exchangers, and structural applications exposed to moderately corrosive and high-temperature conditions. At Walid Stainless, every pipe is crafted with precision and undergoes strict quality control. Clients rely on 409 Pipes for durable, high-performing, and cost-effective solutions in demanding projects.
Stainless steel 409 pipes are mainly made of 10.5–11.75% chromium, with trace amounts of carbon, manganese, silicon, nickel and molybdenum as well as trace amounts etc. These elements provide excellent resistance to oxidation and corrosion, and make it ideal for high temperature applications. Mechanical properties of stainless steel 409 include 480 MPa tensile strength, 205 MPa yield strength, 25% elongation at 50 mm Provides excellent weldability and formability, making it suitable for exhaust systems, automotive parts and engineering of other durable properties and corrosion resistance are important
| Item | Stainless Steel 409 Pipe |
| Standard | GB, AISI, ASTM, ASME, EN, BS, DIN, JIS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Outer Diameter Size | SEAMLESS – 1/2″ NB TO 18″ NB WELDED / ERW- 1″ NB TO 16″ NB EFW – 8″ NB TO 110″ NB |
| Form | Round Pipes, Square Pipes, Rectangular Pipe, “U” Shape Pipes, Hydraulic Pipes |
| Wall Thickness | Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness) |
| Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size End: Plain End, Beveled End, Treaded |
| Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw |
| Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
| Testing | Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiographic Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc |
| Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Value Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
| Packaging | Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
| Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC |
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | CU | |
| 409 | Min | – | – | – | – | – | 10.5 | – | – | – |
| max | 0.03 | 1.00 | 1.00 | 0.04 | 0.02 | 11.7 | – | 0.5 | – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) | Brinell (HB) | ||||
| 409 | 380 | 170 | 20 | 88 | 0.5t |
Contact us to get a quick quote for your requirement.
We tests all kinds of stainless steel 409 piping with high emphasis on quality and performance. In addition, international standards such as ASTM and ASME are in place for any product. Even each batch in terms of machinery quality, dimensional accuracy, or corrosion resistance guarantees that the resultant pipes are going to be available with reliable output.
Stainless Steel 409 is a ferritic alloy known for its high resistance to oxidation and corrosion. Commonly used in automotive exhaust systems and industrial applications, it offers good strength and durability.
Stainless Steel 409 seamless pipe features high resistance to oxidation and corrosion, making it ideal for exhaust systems and industrial applications. Its seamless construction provides superior strength and reliability.
Stainless Steel 409 welded pipe combines high oxidation and corrosion resistance with durability. It’s commonly used in automotive exhaust systems and industrial applications, offering strength through its welded construction.
Stainless Steel 409 ERW (Electric Resistance Welded) pipe offers excellent resistance to corrosion and oxidation. It’s used in automotive and industrial applications, featuring strong welds and good mechanical properties.
Stainless Steel 409 EFW (Electric Fusion Welded) pipe provides excellent corrosion and oxidation resistance. Ideal for automotive and industrial uses, it features strong, uniform welds and high durability.
Stainless Steel 409 fabricated pipe is engineered for strength and durability, offering excellent resistance to oxidation and corrosion. It’s commonly used in customized applications, including exhaust systems and industrial components.
Walid Stainless is a leading supplier, and stockist of high-quality Stainless Steel 409 Pipes in Tunis, Tunisia. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
Stainless Steel 409 Pipes are widely used in industries that require durable, heat-resistant, and corrosion-resistant piping solutions. They are ideal for automotive exhaust systems, furnace components, heat exchangers, and industrial pipelines exposed to elevated temperatures and mildly corrosive environments. The titanium-stabilized ferritic structure ensures long-term dimensional stability, oxidation resistance, and mechanical reliability. Engineers and technicians trust 409 Pipes for transporting gases and fluids efficiently and safely in demanding industrial and automotive applications. Walid Stainless guarantees that each pipe meets strict quality standards, providing dependable materials for automotive, industrial, and structural projects requiring reliable high-temperature performance.







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