Home > Carbon Steel > ASTM A53 Gr B Seamless Pipes
Liam Pipes and Tubes is a reputable manufacturer and supplier of ASTM A335 Grade P9 Seamless Pipes, proudly based in Houston, USA. The company focuses on producing high-performance alloy steel pipes that are specifically engineered for high-temperature and high-pressure applications. These ASTM A335 Gr P9 Seamless Pipes are extensively utilized across various industries, including power generation, petrochemicals, oil refineries, and boiler systems, thanks to their remarkable mechanical strength, thermal resistance, and corrosion resistance. Liam Pipes and Tubes guarantees that each pipe adheres to strict international standards, providing reliable solutions for challenging service conditions and long-lasting industrial use.
The ASTM A335 Grade P9 Seamless Pipes are crafted from a chromium-molybdenum alloy steel, containing about 8–10% chromium, 0.90–1.10% molybdenum, and 0.15% carbon. This unique composition offers exceptional resistance to oxidation, high-temperature creep, and corrosion. The pipes boast a minimum tensile strength of 415 MPa (60,000 psi) and a minimum yield strength of 205 MPa (30,000 psi). Their seamless design ensures consistent wall thickness and structural integrity, making them perfect for high-stress environments. The chemical and mechanical properties of this alloy are particularly suited for applications that demand stability and durability under prolonged exposure to elevated temperatures and pressures.
Size Range: 1/2” NB to 36” NB
Thickness: SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
Type: Seamless / ERW / Welded / Fabricated / CDW
Form: Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
Length: Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
End: Plain End, Beveled End, Treaded
End Protection: Plastic Caps
Outside Coating: Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements
Inspection, Test Reports: Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non-Destructive Test Reports, India Boiler Regulations (IBR) Test Certificate
Packing: Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials: Sizes and Specifications other than above can be manufactured on request
| Grade | Chemical Composition (%) Max. | ||||||||
| C | Mn | P | S | Cu | Ni | Cr | Mo | V | |
| A | 0.25 | 0.95 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| B | 0.3 | 1.2 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| Grade | Mechanical Properties, Min. | |
| Tensile Strength(Mpa) | Yield Strength(Mpa) | |
| A | 330 | 205 |
| B | 415 | 240 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing ASTM A53 Gr B seamless pipes from Liam Pipes and Tubes ensures you receive top-quality products manufactured to the highest industry standards. With a commitment to durability and reliability, our seamless pipes provide superior strength and corrosion resistance, making them suitable for various demanding applications. We prioritize customer satisfaction, offering customized solutions and timely delivery to meet your project requirements. Our experienced team is dedicated to providing expert support, ensuring you find the right products for your needs. Trust Liam Pipes and Tubes for your seamless piping solutions.
Liam Pipes and Tubes, one of the largest suppliers of ASTM A53 Gr B Seamless 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.
Yes, we offer custom sizes for ASTM A53 Gr B Seamless 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.
| DIN | EN | BS | NFA | ASTM | ASME |
|---|---|---|---|---|---|
| – | – | – | ASTM A53 Gr B | ASTM A53 Gr B | – |
ASTM A335 Grade P9 Seamless Pipes are frequently employed in high-temperature service applications, such as steam pipelines, boiler components, superheater and reheater tubes, and heat exchangers. They also find their place in refinery and chemical processing plants, where materials must endure thermal stress and corrosive substances. These pipes are particularly well-suited for power plant infrastructure, especially in critical systems that require durability and reliability. Their outstanding weldability and ability to perform under extreme heat make them indispensable in environments that demand high strength, oxidation resistance, and structural integrity over extended operational periods.







©2024 Liam Pipes and Tubes . All Rights Reserved.