Tolu Fittings, a well-respected manufacturer and supplier located in Abuja, Nigeria, is renowned for its top-notch Stainless Steel 347H Pipe Fittings that adhere to international standards. These fittings are crafted to withstand corrosion, high temperatures, and mechanical stress, making them perfect for tough industrial applications. Thanks to cutting-edge production methods and rigorous quality checks, Tolu Fittings guarantees precision, durability, and reliability in every item they produce. Their Stainless Steel 347H Pipe Fittings are trusted by various industries, including oil and gas, petrochemical, power generation, and chemical processing, ensuring safe and efficient piping operations.
| Specifications | ASTM A403 / ASME SA403 |
| Size | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Type | Seamless / Welded / Fabricated |
The composition of Stainless Steel 347H Pipe Fittings primarily includes iron, 17–20% chromium, 9–13% nickel, along with trace amounts of niobium, carbon, and manganese. The niobium plays a crucial role in stabilizing the alloy, preventing carbide precipitation and boosting its strength at high temperatures. These fittings boast a tensile strength of approximately 515 MPa, a yield strength of around 205 MPa, and an elongation of 40%. They are known for their outstanding resistance to intergranular corrosion, oxidation, and creep at elevated temperatures, making them ideal for continuous use under heat and pressure.
| Grade | C | Ni | Mn | P | S | Cr | Si | Mo | N |
| 347H | 0.08 max | 9.00-13.00 | 2.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 1.0 max | – | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454°C (2650°F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Tolu Fittings one of the largest suppliers of Stainless Steel 347H 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 347H 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 347H 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 347H 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.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| 347H | 1.4961 | S34709 | SUS 347H | – | – | – | X6CrNiNb18-12 |
Stainless steel 347H pipe fittings offer many advantages, including exceptional resistance to temperature rise and oxidation, making them suitable for use in heat exchangers and boilers The addition of niobium provides excellent resistance to intergranular corrosion , ensuring durability in environments with frequent temperature changes. These fittings exhibit good mechanical strength, high tensile and yield characteristics, excellent weldability, making them versatile in demanding industrial conditions Besides, their high creep strength and resistance to chemical applications makes them ideal for the petrochemical, power generation and aerospace industries.
Yes, custom sizes are available for Stainless Steel 347H 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.
| Minimal Sizes | Outer Diam. | Caps | Straight Tee | Straight Crosses | Stub Ends | |||
|---|---|---|---|---|---|---|---|---|
| (in) | (mm) | (in) | Length (in) | Center to End (in) | Center to End (in) | Lap Diameter (in) | Long Length (in) | Short Length (in) |
| 1/2 | 21.3 | 0.840 | 1 | 1 | – | 1 3/8 | 3 | 2 |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 1/2 | 1 1/2 | 2 | 4 | 2 |
| 3/4 | 26.7 | 1.050 | 1 | 1 1/8 | – | 1 11/16 | 3 | 2 |
| 1 1/4 | 42.2 | 1.660 | 1 1/2 | 1 7/8 | 1 7/8 | 2 1/2 | 4 | 2 |
| 2 | 60.3 | 2.375 | 1 1/2 | 2 1/2 | 2 1/2 | 3 5/8 | 6 | 2 1/2 |
| 1 1/2 | 48.3 | 1.900 | 1 1/2 | 2 1/4 | 2 1/4 | 2 7/8 | 4 | 2 |
| 2 1/2 | 73.0 | 2.875 | 1 1/2 | 3 | 3 | 4 1/8 | 6 | 2 1/2 |
| 3 1/2 | 101.6 | 4.000 | 2 1/2 | 3 3/4 | 3 3/4 | 5 1/2 | 6 | 3 |
| 3 | 88.9 | 3.500 | 2 | 3 3/8 | 3 3/8 | 5 | 6 | 2 1/2 |
| 4 | 114.3 | 4.500 | 2 1/2 | 4 1/8 | 4 1/8 | 6 3/16 | 6 | 3 |
| 6 | 168.3 | 6.625 | 3 1/2 | 5 5/8 | 5 5/8 | 8 1/2 | 8 | 3 1/2 |
| 5 | 141.3 | 5.563 | 3 | 4 7/8 | 4 7/8 | 7 5/16 | 8 | 3 |
| 8 | 219.1 | 8.625 | 4 | 7 | 7 | 10 5/8 | 8 | 4 |
| 12 | 323.9 | 12.750 | 6 | 10 | 10 | 15 | 10 | 6 |
| 10 | 273.1 | 10.750 | 5 | 8 1/2 | 8 1/2 | 12 3/4 | 10 | 5 |
| Nominal Pipe Size | Outside Diameter | 90° Elbows | 45° Elbows | 180° Returns | ||||
|---|---|---|---|---|---|---|---|---|
(inches) | Long Radius | Short Radius | Long Radius | Long Radius | ||||
(mm) | (inches) | Center to Face (inches) | Center to Face (inches) | Center to Face (inches) | Radius (inches) | Center to Center (inches) | Back to face (inches) | |
1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | 2 1/4 | 1 11/16 | |
1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Stainless Steel 347H Pipe Fittings find extensive application in industries that demand materials resistant to high temperatures and corrosion. They are particularly suited for use in petrochemical plants, refineries, heat exchangers, power generation systems, and boiler equipment. Their exceptional strength and oxidation resistance make them perfect for exhaust manifolds, furnace components, and superheater tubes. Moreover, these fittings are also utilized in the chemical processing, pharmaceutical, and food industries due to their ability to maintain structural integrity in harsh conditions. Stainless Steel 347H Pipe Fittings promise reliable performance and a long service life, even in the most challenging environments.
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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