Tolu Fittings is a well-respected manufacturer and supplier located in Abuja, Nigeria, focusing on **Stainless Steel 348/348H Forged Fittings** that excel in high-temperature and corrosive settings. These niobium-stabilized fittings are crafted to withstand intergranular corrosion, oxidation, and scaling, even when subjected to high temperatures. With cutting-edge technology and top-notch raw materials, Tolu Fittings guarantees exceptional dimensional accuracy, durability, and leak-proof connections. Stainless Steel 348/348H Forged Fittings find their place in various industries, including chemical processing, petrochemical, power generation, and oil and gas, where high strength and corrosion resistance are a must.
Specifications : ASTM A403 / ASME SA403
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type : Seamless / Welded / Fabricated
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
These fittings are made up of chromium (17–19%), nickel (9–13%), and niobium (which is 8–10 times the carbon content), helping to stabilize the alloy and prevent carbide precipitation during welding. The 348H version has a higher carbon content, which boosts its creep strength and mechanical stability at elevated temperatures. They boast a tensile strength of around 515 MPa and a yield strength of about 205 MPa, along with impressive toughness, ductility, and oxidation resistance up to 870°C.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 348/348H | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 10 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Tolu Fittings is a leading supplier of Stainless Steel 348/348H Forged Fittings in Abuja, Nigeria. We offer an extensive range of Stainless Steel 348/348H Forged Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choose Stainless Steel 348/348H Forged Fittings from Tolu Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Stainless steel 348/348H forged fittings offer many advantages, including superior resistance to intergranular corrosion especially in high temperature environments Stable alloy and niobium ensure improved strength and weldability, making it ideal for rugged applications as power plants and petrochemical industries without losing its mechanical properties are designed to withstand temperatures up to 1600°F (870°C) temperature. High tensile strength, excellent durability, and resistance to oxidation and scaling make it durable and reliable. Furthermore, its corrosion resistance enhances durability and maintenance-free operation in harsh industrial environments.
Yes, custom sizes for Stainless Steel 348/348H Forged Fittings are available at Tolu Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@tolufittings.com
Stainless Steel 348/348H Forged Fittings are commonly utilized in high-temperature and pressure applications where oxidation and corrosion resistance are crucial. They’re perfect for heat exchangers, superheater tubes, and boiler components in power plants. In the chemical and petrochemical sectors, these fittings are essential for processing equipment that deals with hot acids and gases. The oil and gas industry uses them in refineries and pipeline systems. Plus, they’re also found in marine, aerospace, and food processing equipment, where long-lasting strength, thermal stability, and durability are vital for smooth operations.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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