Based in Chennai, India, we proudly stand as a top manufacturer and supplier of **Alloy Steel WP91 Buttweld Fittings**. Our components are designed to perform exceptionally well in extreme temperature and pressure situations. The ASTM A234 WP91 is a robust, creep-resistant alloy crafted from chromium-molybdenum-vanadium steel, specifically tailored for ultra-supercritical power plants and high-efficiency thermal systems. We ensure that our buttweld fittings meet global standards like ASME B16.9, which guarantees outstanding dimensional accuracy, durability, and mechanical strength for critical piping applications in power generation, petrochemicals, and refineries.
| 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** consist of about 9% chromium, 1% molybdenum, and 0.25% vanadium, along with carefully controlled amounts of carbon, manganese, phosphorus, and sulfur. This unique blend provides remarkable creep resistance, high-temperature oxidation resistance, and an extended service life even in the toughest conditions. Typically, these fittings boast a tensile strength ranging from 620 to 760 MPa and a minimum yield strength of 415 MPa. Our product lineup includes elbows, tees, reducers, caps, and stub ends, available in both seamless and welded options.
| 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 |
Meet Fittings one of the largest suppliers of Alloy Steel WP91 Buttweld Fittings in Chennai, India. 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 India.
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 Meet 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@meetfitings.co.in.
These **Alloy Steel WP91 Buttweld Fittings** are perfect for high-pressure steam lines, superheater and reheater systems, boilers, and heat exchangers found in modern power plants. Their exceptional mechanical properties allow them to operate at temperatures reaching up to 650°C (1200°F), offering excellent resistance to thermal fatigue and creep deformation. These fittings guarantee leak-proof, high-integrity connections even in harsh service conditions. With remarkable weldability, corrosion resistance, and long-lasting performance, WP91 buttweld fittings are the go-to choice for high-efficiency, high-temperature industrial piping systems.








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