Tolu Fittings, a reputable manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality Stainless Steel 317/317L Forged Fittings that are built to withstand corrosion and provide exceptional strength. Crafted from top-notch raw materials and utilizing cutting-edge forging techniques, these fittings guarantee durability, precision, and outstanding performance even in the toughest industrial settings. Renowned for their ability to resist chemical attacks and chloride-induced corrosion, Tolu Fittings’ Stainless Steel 317/317L Forged Fittings adhere to global quality standards, making them perfect for industries like chemical processing, oil and gas, marine, and power generation, where reliable and long-lasting piping components are essential.
Specifications : ASTM A182 / ASME SA182
Dimensions : ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799
Size : 1/8″ NB to 4″ NB
Type : Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type)
Rating Pressure : Threaded End – 2000 /3000/ 6000 LBS. Socket-weld End – 3000 / 6000/ 9000 LBS.
These fittings are made up of 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, which enhance their resistance to pitting, crevice corrosion, and chemical damage. The 317L version features a lower carbon content, which improves weldability and helps prevent carbide precipitation. With a tensile strength of around 515 MPa and a yield strength of 205 MPa, these fittings also boast excellent toughness and high-temperature strength, making them suitable for corrosive and high-stress environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 317 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.845 min |
| SS 317L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.89 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Tolu Fittings is a leading supplier of Stainless Steel 317/317L Forged Fittings in Abuja, Nigeria. We offer an extensive range of Stainless Steel 317/317L 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.
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 317 | 1.4449 | S31700 | SUS 317 | – |
| SS 317L | 1.4438 | S31703 | SUS 317L | X2CrNiMo18-15-4 |
Choose Stainless Steel 317/317L 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 317/317L forged fittings provide excellent corrosion resistance, especially in high chloride environments, making them ideal for chemical, petrochemical, and marine applications These alloys have excellent strength and thermal stability even at higher levels, providing longer service life. The low carbon content of 317L reduces carbide precipitation, increases weldability and reduces the susceptibility to stress corrosion cracking. In addition, they are more resistant to oxidation and pitting, increasing the longevity of the systems. Their high resistance to sulfuric and hydrochloric acids makes them suitable for aggressive chemical applications.
Yes, custom sizes for Stainless Steel 317/317L 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
| Fitting Schedule/Class | Pipe Size – Pipe Fitting | Fitting Connection Type | Pipe Fitting Material | Max. Pressure |
|---|---|---|---|---|
| Class 150 | 1/2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1/2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1/2″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 1/2″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 3/4″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 3/4″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 3/4″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 3/4″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 3/4″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 1″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 1″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 1″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/4″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/4″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/4″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 1-1/4″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/4″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/2″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 1-1/2″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 1-1/2″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 2″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 2″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 2″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 2-1/2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 2-1/2″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 2-1/2″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 2-1/2″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 2-1/2″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 3″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 3″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 3″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 3″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 4″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 4″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 4″ | Forged | Forged Stainless Steel 317 | 275 psi |
| Class 150 | 4″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 4″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 6″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 6″ | FNPT | Stainless Steel 317 | 150 psi |
| Class 150 | 6″ | Welded | Stainless Steel 317 | 150 psi |
| Class 150 | 6″ | Welded | Stainless Steel 317 | 150 psi |
| DN-NPT | MAJOR DIAMETER MM | TAPPING DRILL SIZE MM | TPI | PITCH MM |
|---|---|---|---|---|
| 1/16″ | 7.895 | 6.00 | 27 | 0.941 |
| 1/8″ | 10.242 | 8.25 | 27 | 0.941 |
| 1/4″ | 13.616 | 10.70 | 18 | 1.411 |
| 3/8″ | 17.055 | 14.10 | 18 | 1.411 |
| 1/2″ | 21.223 | 17.40 | 14 | 1.814 |
| 3/4″ | 26.568 | 22.60 | 14 | 1.814 |
| 1″ | 33.228 | 28.50 | 11.5 | 2.209 |
| 1¼” | 41.985 | 37.00 | 11.5 | 2.209 |
| 1½” | 48.054 | 43.50 | 11.5 | 2.209 |
| 2″ | 60.092 | 55.00 | 11.5 | 2.209 |
| 2½” | 72.699 | 65.50 | 8 | 3.175 |
| 3″ | 88.608 | 81.50 | 8 | 3.175 |
| 3½” | 101.316 | 94.30 | 8 | 3.175 |
| 4″ | 113.973 | 107.00 | 8 | 3.175 |
| 5″ | 141.300 | 134.384 | 8 | 3.175 |
| 6″ | 168.275 | 161.191 | 8 | 3.175 |
| 8″ | 219.075 | 211.673 | 8 | 3.175 |
| 10″ | 273.050 | 265.311 | 8 | 3.175 |
| 12″ | 323.850 | 315.793 | 8 | 3.175 |
Stainless Steel 317/317L Forged Fittings find extensive use in sectors such as petrochemical, chemical processing, pulp and paper, and marine industries. Their outstanding resistance to acidic and chloride environments makes them ideal for piping systems that handle sulfuric acid, acetic acid, and halide solutions. Additionally, these fittings are utilized in power plants, food processing facilities, and desalination plants, where durability and corrosion resistance are paramount. Their sturdy construction and mechanical stability ensure dependable performance and a long service life, even in challenging industrial applications.
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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