Khuliso Fittings stands out as a trusted manufacturer and supplier of Stainless Steel 317 Pipe Fittings right in the heart of Cape Town, South Africa. Renowned for their impressive corrosion resistance and mechanical strength, Khuliso Fittings crafts top-notch pipe fittings that are perfect for even the toughest industrial settings. With a higher molybdenum content than the standard 316 grades, Stainless Steel 317 offers enhanced protection against pitting and crevice corrosion, especially in chloride-rich environments. The company is committed to ensuring that all their fittings meet international standards, delivering reliable and durable solutions for industries like chemical processing, petrochemical, marine, and food processing throughout South Africa.
| Specifications | ASTM A403 / ASME SA403 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Size Range | 15 NB UP TO 1200 NB ; 1/8″ NB TO 48″ NB |
| Schedule | SCH 5S , 10S ,10, 20 , 40S , 40 , STD , 60 , 80S , 80 , XS , 100 , 120 , 140 , 160 & XXS. |
| Type | Seamless & 100% X-Ray Welded, Fabricated |
Stainless steel 317 pipe fittings are made from an austenitic stainless steel alloy of 18-20% chromium, 11-15% nickel and 3-4% molybdenum, providing exceptional resistance to corrosion and pitting Molybdenum inclusions for longer in chloride sites. These fittings exhibit high mechanical properties including good ductility and toughness with a tensile strength of about 515 MPa and a yield strength of 205 MPa Their unique weldability and formability make them ideal for chemical applications, marine and industrial applications, ensuring that delayed performance even in challenging 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 |
| 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 % |
The Stainless Steel 317 Pipe Fittings from Khuliso Fittings are made up of about 16-18% chromium, 11-14% nickel, and 3-4% molybdenum, which greatly boosts their corrosion resistance in challenging conditions. These fittings typically boast a tensile strength of around 580 MPa and a yield strength close to 205 MPa, along with excellent weldability and ductility. Their strong mechanical properties and ability to resist aggressive chemicals make them perfect for piping systems that encounter acids, salts, and high temperatures.
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 317 Pipe Fittings from Khuliso 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 | EN |
| SS 317 | 1.4449 | S31700 | SUS 317 | – |
Commonly found in chemical plants, pharmaceutical manufacturing, food and beverage processing, and marine applications, these fittings ensure secure, leak-proof connections that can handle corrosion and wear. Khuliso Fittings offers a comprehensive range of Stainless Steel 317 Pipe Fittings, including elbows, tees, reducers, and caps, all tailored to meet the unique needs of various industries. With a strong emphasis on quality and customer satisfaction, Khuliso Fittings has become a reliable partner for stainless steel piping solutions across Cape Town and South Africa.
Yes, custom sizes are available for Stainless Steel 317 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@khulisofittings.co.za.
| Nominal Pipe Size | Straight Crosses | Straight Tees | Caps | Stub Ends | ||
|---|---|---|---|---|---|---|
| (inches) | Center to End (inches) | Center to End (inches) | Length (inches) | Long Length (inches) | Lap Diameter (inches) | Short Length (inches) |
| 1/2 | – | 1 | 1 | 3 | 1 3/8 | 2 |
| 1 1/2 | 2 1/4 | 2 1/4 | 1 1/2 | 4 | 2 7/8 | |
| 1 | 1 1/2 | 1 1/2 | 1 1/2 | 2 | ||
| 2 1/2 | 3 | 3 | 1 1/2 | 6 | 4 1/8 | 2 1/2 |
| 3 | 3 3/8 | 3 3/8 | 2 | 5 | ||
| 2 | 2 1/2 | 2 1/2 | 1 1/2 | 3 5/8 | ||
| 4 | 4 1/8 | 4 1/8 | 2 1/2 | 6 3/16 | 3 | |
| 5 | 4 7/8 | 4 7/8 | 3 | 8 | 7 5/16 | |
| 8 | 7 | 7 | 4 | 10 5/8 | 4 | |
| 10 | 8 1/2 | 8 1/2 | 5 | 10 | 12 3/4 | 5 |
| 12 | 10 | 10 | 6 | 15 | 6 | |
| NPS (Normal Pipe Size) | OD(Outside Daimeter) | 180 Deg Return Elbow | 90 Deg Elbow Fittings | 45 Deg Elbow Fittings | ||||
|---|---|---|---|---|---|---|---|---|
| (inch) | Long Radius Elbow | Long Radius Elbow | Short Radius | Long Radius Elbow | ||||
| mm | inch | Back to face (Inch) | Center to Center (Inch) | Center to Face (Inch) | Center to Face (Inch) | Center to Face (Inch) | Radius (Inch) | |
| 12 | 323.9 | 12.750 | 24 3/8 | 36 | 18 | 12 | 7 1/2 | 18 |
| 3 | 88.9 | 3.500 | 6 1/4 | 9 | 4 1/2 | 3 | 2 | 6 |
| 1/2 | 21.3 | 0.840 | 1 7/8 | 2 | 1 1/2 | – | 5/8 | |
| 10 | 273.1 | 10.750 | 20 3/8 | 30 | 15 | 10 | 6 1/4 | 15 |
| 1 1/4 | 42.2 | 1.660 | 2 3/4 | 3 3/4 | 1 7/8 | 1 1/4 | 1 | |
| 1 | 33.4 | 1.315 | 2 3/16 | 3 | 1 1/2 | 1 | 7/8 | |
| 8 | 219.1 | 8.625 | 16 5/16 | 24 | 12 | 8 | 5 | 12 |
| 1 1/2 | 48.3 | 1.900 | 3 1/4 | 4 1/2 | 2 1/4 | 1 1/2 | 1 1/8 | 3 |
| 6 | 168.3 | 6.625 | 12 5/16 | 18 | 9 | 6 | 3 3/4 | 12 |
| 2 1/2 | 73.0 | 2.875 | 5 3/16 | 7 1/2 | 3 3/4 | 2 1/2 | 1 3/4 | 5 |
| 4 | 114.3 | 4.500 | 8 1/4 | 12 | 6 | 4 | 2 1/2 | 8 |
| 2 | 60.3 | 2.375 | 4 3/16 | 6 | 3 | 2 | 1 3/8 | 4 |
| 5 | 141.3 | 5.563 | 10 5/16 | 15 | 7 1/2 | 5 | 3 1/8 | 10 |
| 3 1/2 | 101.6 | 4.000 | 7 1/4 | 10 1/2 | 5 1/4 | 3 1/2 | 2 1/4 | 7 |
Stainless steel 317 pipe fittings are widely used in applications requiring high corrosion resistance and strength. Because of their resistance to strong chemicals, they are excellent in chemical manufacturing, petrochemical and pharmaceutical applications. In marine environments, they can withstand saline conditions without degradation. These materials are used in food processing, pulp and paper manufacturing, and power plants, where durability at high temperatures and pressures is required Their high resistance to pitting and cracking makes it suitable for handling acid and chloride-rich solutions, providing reliable performance under harsh bottom conditions.
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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