Stainless Steel 409 Pipes & Tubes
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Solitaire Steel is a trusted manufacturer and supplier of premium SS409 pipes and tubes, offering a wide range of products in various sizes and finishes that meet ASTM standards. 409 stainless steel tubing is widely chosen for automotive exhaust systems, tubular manifolds, and agricultural equipment because of its durability and reliability.
409 stainless steel pipes, also known as UNS S40900, are made from chromium and titanium-stabilized ferritic stainless steel. The chromium content gives excellent corrosion resistance, far better than carbon steel or coated steels.
These SS 409 pipes are particularly resistant to inorganic acids, especially those with chlorides, and also perform well against organic acids like formic and carboxylic acid. This makes them ideal for use in industries such as power plants, petrochemical plants, and more.
At Solitaire Steel, we provide 409 stainless steel pipes with high dimensional accuracy and purpose-specific designs. Our pipes are widely appreciated for their corrosion resistance and precise construction. Whether you need Stainless Steel 409 Seamless Tubes for corrosion protection or 409 Welded Tubes known for excellent mechanical strength, we have you covered.
We also offer SS 409 Cold Drawn Tubes and 409 Electropolished Tubes, which provide smooth surfaces, excellent formability, and high performance. Our products are trusted worldwide for their reliability, surface finish, and precise dimensions.
Get in touch with Solitaire Steel today for a competitive quote on Grade 409 stainless steel tubing or any other stainless steel pipes and tubes. We are ready to meet your needs with top-quality products and exceptional service!
Specification of SS 409 Pipe
| 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 |
SS 409 Chemical Composition
| 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 | – |
Stainless Steel 409 Tubes & Pipes Equivalent Grades
| Grade | WERKSTOFF NR. | AISI | UNS | AFNOR | BS | GOST | JIS |
| SS 409 | 1.4512 | 409 | S40900 | Z3CT12 | 409 S 19 | SUH 409 |
409 Stainless Steel Pipes Mechanical Properties
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation % min. | Brinell HARDNESS (HBW) | Rockwell HARDNESS | Heat Treating Temperature, min or range (°C) |
|---|---|---|---|---|---|---|
| SS 409 | 380 min. | 207 min. | 20 | 170 min. | HRB- 95 max. | – |
409 Stainless Steel Pipe Schedule Chart
| NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
|
1/8″ |
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1/4″ |
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3/8″ |
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1/2″ |
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3/4″ |
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1″ |
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1 1/4″ |
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1 1/2″ |
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2″ |
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2 1/2″ |
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3″ |
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4″ |
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5″ |
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6″ |
Stainless Steel 409 Pipes Wall Thickness
|
028 |
= |
.028″ Thick |
|
035 |
= |
.035″ Thick |
|
039 |
= |
.039″ Thick |
|
049 |
= |
.049″ Thick |
|
065 |
= |
.065″ Thick |
|
083 |
= |
.083″ Thick |
|
109 |
= |
.109″ Thick |
Application of SS 409 Pipe
- Chemical Industry: Stainless Steel 409 pipes are widely used in chemical plants due to their excellent resistance to corrosion and acids.
- Power Generation: SS 409 pipes and tubes are ideal for power plants, offering durability and high performance under extreme conditions.
- Oil and Gas Applications: 409 stainless steel tubes are commonly used in oil and gas industries for their strength and ability to withstand harsh environments.
- Heat Exchangers: Stainless Steel 409 pipes are perfect for heat exchanger systems because of their thermal resistance and stability.
- Automotive Industry: SS 409 seamless pipes are a popular choice for automotive exhaust systems, offering excellent oxidation resistance and longevity.
- Fertilizer Industry: Stainless Steel 409 pipes are utilized in fertilizer plants where corrosion resistance and strength are essential for reliable performance.
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FAQs
409 is a ferritic stainless steel with low chromium and minimal nickel, offering cost-efficiency and moderate corrosion resistance. It’s commonly used for automotive exhaust systems.
409 stainless steel is widely used in automotive exhaust systems, agricultural equipment, and gas turbine exhaust silencers due to its durability and resistance to gas corrosion.
409-grade stainless steel is a heat-resisting ferritic stainless steel known for its oxidation and corrosion resistance, which is better than that of carbon steel. It is stabilized with titanium and was initially developed for automotive exhaust systems. Due to its good formability, weldability, and corrosion resistance, it is also used in various other applications.
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