Khuliso Fittings stands out as a top-notch manufacturer and supplier located in Cape Town, South Africa, specializing in high-quality **Alloy Steel WP91 Buttweld Fittings**. These fittings are crafted to deliver outstanding strength, durability, and the ability to handle high-pressure and high-temperature situations. Made from Alloy Steel WP91, which is a chromium-molybdenum steel grade, they are built to endure the elevated temperatures and corrosive environments often found in the petrochemical, power generation, and oil and gas sectors. Khuliso Fittings is committed to ensuring that all their products adhere to international quality standards, offering reliable and precisely engineered piping solutions for critical industrial applications where performance and safety are crucial.
| 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 |
**Alloy Steel WP91 Buttweld Fittings** contain about 0.10–0.15% carbon, 0.35–0.65% manganese, 0.80–1.10% chromium, and 0.90–1.10% molybdenum, along with trace amounts of silicon, nickel, and phosphorus. This specific blend gives them remarkable mechanical strength, toughness, and resistance to oxidation and scaling at high temperatures. Typically, these fittings boast a tensile strength ranging from 585 to 750 MPa, a yield strength of 415 to 585 MPa, and an elongation of 20 to 25%. They also provide excellent weldability and maintain their shape under extreme service conditions.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP91 | 0.08-0.12 | 0.3-0.6 | 0.2-0.5 | ≤0.02 | ≤0.015 | 8-9.5 | 0.85-1.05 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP91 | ≥590 | ≥415 | ≥20 |
Khuliso Fittings one of the largest suppliers of Alloy Steel WP91 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 WP91 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 WP91 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 WP91 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.
Alloy Steel WP91 Buttweld Fittings offer numerous advantages, especially in high-temperature and high-pressure applications. Their composition, featuring chromium and molybdenum, provides outstanding resistance to oxidation, corrosion, and thermal fatigue. WP91 fittings are known for their excellent weldability, strength, and durability, ensuring long-term performance in demanding industries like power generation, petrochemical, and oil & gas. They maintain structural integrity even under extreme conditions, reducing the risk of failure. Additionally, WP91 Fittings require minimal maintenance and offer cost-effective solutions due to their longevity, making them a reliable choice for critical systems in challenging environments.
Yes, custom sizes are available for Alloy Steel WP91 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.
**Alloy Steel WP91 Buttweld Fittings** are commonly utilized in scenarios that demand high resistance to both temperature and pressure. You’ll find them in power plant piping systems, boilers, heat exchangers, pressure vessels, and petrochemical process lines. They’re also well-suited for oil and gas pipelines, refineries, and chemical plants that operate under intense thermal and mechanical stresses. The combination of high strength, durability, and heat resistance makes these fittings perfect for essential piping systems in industrial settings.
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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