Tolu Fittings is a well-respected manufacturer and supplier located in Abuja, Nigeria, known for providing top-notch **Stainless Steel 348H Pipe Fittings** that excel in high-temperature and corrosive settings. These fittings are enhanced with niobium to prevent carbide precipitation during welding, which helps them resist intergranular corrosion and oxidation like a champ. Crafted with cutting-edge technology and high-quality raw materials, Tolu Fittings guarantees durability, precise dimensions, and a long lifespan. You’ll find Stainless Steel 348H Pipe Fittings commonly used in the chemical, petrochemical, and power generation industries, thanks to their impressive strength and thermal stability.
| STANDARD | 348H Pipe Fittings |
| EN | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| JIS | SUS 316L |
| BS | 316S11 / 316S13 |
| UNS | S34809 |
| WERKSTOFF NO. | 1.4546 |
| AFNOR | Z7CND17‐11‐02 |
| GOST | 03Ch17N14M3 / 03Ch17N14M2 |
These fittings are made up of chromium (17–19%), nickel (9–13%), and niobium (which is 8–10 times the carbon content) as a stabilizing agent, featuring a higher carbon content than standard 348 to boost high-temperature strength. This unique blend offers remarkable resistance to intergranular corrosion and oxidation at temperatures reaching up to 870°C. On the mechanical side, they boast a tensile strength of about 515 MPa and a yield strength of around 205 MPa, providing excellent toughness, creep resistance, and weldability, even in elevated temperature scenarios.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 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 one of the largest suppliers of Stainless Steel 348H Pipe Fittings in Abuja, Nigeria. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 348H is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 348H Pipe Fittings in the Nigeria.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 348H Pipe Fittings from Tolu Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
Stainless Steel 348H Pipe Fittings offer numerous advantages, including excellent resistance to oxidation and corrosion, even in high-temperature environments. Their stabilized composition with columbium and tantalum enhances intergranular corrosion resistance, preventing carbide precipitation during welding. These fittings exhibit superior strength, durability, and creep resistance, making them ideal for demanding applications. Additionally, they maintain structural integrity under thermal cycling, ensuring reliable performance in industries like petrochemicals, power generation, and aerospace. Easy to fabricate and weld, Stainless Steel 348H Pipe Fittings deliver long-lasting performance, reducing maintenance costs and ensuring operational efficiency.
Yes, custom sizes are available for Stainless Steel 348H Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@tolufittings.com.
| Density | Elastic Modulus | Mean Coefficient of Thermal | Thermal Conductivity | Specific Heat | Electrical Resistivity |
| (Kg/m3) | (Gpa) | Expansion(?m/m/°C) | (W/m.K) | 0-100°C | (n?.m) |
| 7.96 | 193 | 16.6 | 16.3 | 500 | 126 |
Stainless Steel 348H Pipe Fittings are perfect for high-temperature applications that demand exceptional strength and corrosion resistance. They’re commonly used in heat exchangers, boiler tubes, superheaters, and pressure vessels within the power generation industry. In the chemical and petrochemical sectors, they serve as vital components in processing equipment and piping systems that come into contact with acids and high heat. Plus, they’re also utilized in refineries, aerospace, and marine environments where stability, durability, and resistance to thermal fatigue are crucial for reliable, long-term performance.
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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