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Liam Pipes and Tubes stands out as a leading manufacturer and supplier of Stainless Steel 409L Pipes right here in Houston, USA. We pride ourselves on delivering durable and budget-friendly piping solutions tailored for automotive, industrial, and construction needs. Stainless Steel 409L is a low-carbon, ferritic stainless steel that shines with its impressive weldability, corrosion resistance, and thermal stability. At Liam Pipes and Tubes, we offer top-notch 409L pipes designed to meet industry standards and cater to specific customer demands. With a strong commitment to product performance, timely delivery, and customer satisfaction, we serve a diverse range of sectors that rely on dependable stainless steel piping solutions.
Our Stainless Steel 409L Pipes are made up of Chromium (10.5–11.75%), Carbon (≤0.03%), and trace amounts of Nickel, Manganese, and Silicon. The low carbon content enhances weldability and minimizes the risk of intergranular corrosion. These pipes boast a tensile strength of around 380–450 MPa, yield strength of about 170–240 MPa, and an elongation of roughly 20%. Stainless Steel 409L excels in resisting oxidation and corrosion in mildly corrosive environments, while also offering excellent formability and high-temperature stability, making it a great choice for exhaust systems and structural applications that require moderate strength.
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
| Dimensions | ASTM, ASME and API |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Sch 5s, 10s, 40s, 80s, 160, XXS |
| Size – Seamless 409L Pipes | 1/8″NB TO 30″NB IN |
| ERW 409L Pipes | 1/2″ NB – 24″ NB |
| EFW 409L Pipes | 6″ NB – 100″ NB |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Types | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| End | Plain End, Beveled End, Treaded |
| Length | Single Random, Double Random & Cut Length. (Custom Sizes Available as per customers requirement) |
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | CU | |
| 409l | 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) | ||||
| 409l | 380 | 170 | 20 | 88 | 0.5t |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 409L Pipes from Liam Pipes and Tubes ensures you get the high quality products you need. Our pipes are manufactured using advanced processes to ensure excellent durability and corrosion resistance. We adhere to strict industry standards with a focus on accuracy and quality. Our experienced team provides exceptional customer support, guiding you through your selection process. We offer competitive pricing and on-time delivery, ensuring you get your order when you need it. Trust Liam to provide reliable and efficient pipeline solutions that will stand the test of time.
Liam Pipes and Tubes, one of the largest suppliers of Stainless Steel 409L Pipes in Houston , USA, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
| Grade | WERKSTOFF NR. | UNS |
| SS 409L | 1.4512 | S40903 |
Yes, we offer custom sizes for Stainless Steel 409L Pipes to meet your specific requirements. Our team at Liam Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@liampipes.us.
You’ll find Stainless Steel 409L Pipes widely used in the automotive sector, especially in exhaust systems, mufflers, and catalytic converters, thanks to their heat and corrosion resistance. They’re also perfect for heat exchangers, ventilation systems, and industrial ducting. In the construction world, 409L pipes are a go-to for structural frameworks and roofing applications where cost-effective corrosion resistance is essential. Plus, they find their place in agricultural equipment, food processing units, and water heaters. With their impressive weldability, formability, and durability under thermal stress, 409L pipes are ideal for a wide array of medium-duty industrial and commercial applications.
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