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 environments rich in chlorides. The company takes pride in 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 A234 / ASME SA234 |
| 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 | : | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
| Type | : | Seamless / Welded / Fabricated |
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.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP5 | ≤0.15 | ≤0.6 | ≤0.5 | ≤0.04 | ≤0.03 | 4-6 | 0.44-0.65 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP5 | 415 – 585 | ≥205 | ≥20 |
Khuliso Fittings one of the largest suppliers of Alloy Steel WP5 Buttweld Fittings in Cape Town, South Africa. 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. Alloy Steel WP5 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 Alloy Steel WP5 Buttweld Fittings in the South Africa.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Alloy Steel WP5 Buttweld 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.
| O.D. or I.D. Diameter | Equivalent Decimal | Nominal Diameter | Typical Threads In Inch |
| 5/16 | 0.313 | 1/16 | 27 |
| 13/32 | 0.405 | 1/8 | 27 |
| 35/64 | 0.540 | 1/4 | 18 |
| 43/64 | 0.675 | 3/8 | 18 |
| 27/32 | 0.840 | 1/2 | 14 |
| 1-3/64 | 1.050 | 3/4 | 14 |
| 1-5/16 | 1.315 | 1 | 11-1/2 |
| 1-21/32 | 1.660 | 1-1/4 | 11-1/2 |
| 1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
| 2-3/8 | 2.375 | 2 | 11-1/2 |
| 2-7/8 | 2.875 | 2-1/2 | 8 |
| 3-1/2 | 3.500 | 3 | 8 |
| 4 | 4.000 | 3-1/2 | 8 |
| 4-1/2 | 4.500 | 4 | 8 |
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 commitment to quality and customer satisfaction, Khuliso Fittings has become a reliable partner for stainless steel piping solutions across Cape Town and South Africa.
| ASTM A234 WP5 Pipe Fittings (Grade WP5 To WP91) Tolerance | 90 Deg And 45 Deg Elbows And Pipe Tee | Orangeucer (Concentric/ Eccentric) & Lap Joint Stub End (Long / Short) | Pipe End Caps | |||
| Normal Pipe Size (NPS) Of ASME B16.9 | O. (Outside) D. (Daimeter) at Bevel | I. (Inside) D.(Daimeter) at End | Wall Thickness Of T | Center-to-End Dimension A ,C ,B | Over-all Length Of H | Over-all Length Of F |
| 1/2 to 2-1/2 | +0.06 | Not less than 87.5% of nominal thickness | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| -0.03 | ||||||
| 3 to 3-1/2 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 4 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 5 to 8 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.25 | |
| 10 to 18 | +0.16 | +/- 0.12 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.12 | ||||||
| 20 to 24 | +0.25 | +/- 0.19 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.19 | ||||||
| 26 to 30 | +0.25 | +/- 0.19 | +/- 0.12 | +/- 0.19 | +/- 0.38 | |
| -0.19 | ||||||
| 32 to 48 | +0.25 | +/- 0.19 | +/- 0.19 | +/- 0.19 | +/- 0.38 | |
| -0.19 | ||||||
Yes, custom sizes are available for Alloy Steel WP5 Buttweld 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.
| 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 |
Alloy Steel WP5 Buttweld Fittings are extensively used in industries requiring high strength and thermal stability. They are crucial in power plants, oil and gas refineries, petrochemical facilities, and chemical processing units for transporting fluids under extreme pressures and temperatures. These fittings are commonly used in pipelines, boilers, pressure vessels, and heat exchangers to ensure leak-proof connections. Their robust performance and corrosion resistance make them suitable for steam, oil, and gas systems, as well as in industrial equipment requiring reliable and durable piping solutions.
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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