Grant Fittings a trusted manufacturer and supplier based in Manila, Philippines, specializes in providing top-quality industrial fittings designed for demanding applications. Known for their precision and commitment to excellence, Grant Fittings offers a wide range of products suited for various industries. Among their standout offerings are Alloy Steel WP91 Buttweld Fittings, which are engineered to withstand high temperatures and extreme pressure. With superior strength and resistance to oxidation, WP91 Buttweld Fittings are ideal for applications in power generation, petrochemical, and oil & gas industries. Grant Fittings ensures reliable, durable solutions for critical systems and environments.
| 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 are primarily composed of chromium (9%), molybdenum (1%), and small amounts of carbon, manganese, silicon, phosphorus, and sulfur. This composition provides excellent resistance to high-temperature oxidation, corrosion, and thermal fatigue. The mechanical properties include a tensile strength of 585 MPa (min), yield strength of 415 MPa (min), and elongation of 30% (min). WP91 fittings are designed to perform under extreme pressure and temperature conditions, making them ideal for high-demand applications in power generation, petrochemical, and oil & gas industries, ensuring long-lasting durability and performance.
| 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 |
Grant Fittings stands out as a reliable manufacturer and supplier of Alloy Steel WP91 Buttweld Fittings right in the heart of Manila, Philippines. With a focus on top-notch piping components, they provide a diverse selection of buttweld fittings, including elbows, tees, reducers, and caps, all crafted from Alloy Steel WP91. These fittings are celebrated for their impressive strength and durability, built to comply with stringent industry standards like ASTM A335 and ASME B16.9. Thanks to Grant Fittings’ dedication to precision manufacturing and quality control, their products deliver dependable performance in demanding sectors such as power generation, oil and gas, and petrochemicals throughout the Philippines.
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 Grant 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.
The Alloy Steel WP91 buttweld fittings are crafted from a robust chromium-molybdenum steel alloy, known for its remarkable high-temperature strength, oxidation resistance, and toughness. Typically, the chemical makeup features around 9% chromium and 1% molybdenum, which enhances their creep and corrosion resistance even at elevated temperatures. With a tensile strength of about 620 MPa and a yield strength close to 415 MPa, these fittings also boast good ductility and impact resistance. WP91 fittings are designed to maintain their structural integrity in pressure vessels and piping systems that operate under high temperatures, making them perfect for steam boilers, heat exchangers, and various power plant equipment. Grant Fittings guarantees that all their products undergo rigorous testing and certification to meet high standards.
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@grantfittings.com.
Grant Fittings’ Alloy Steel WP91 Buttweld Fittings are extensively utilized in high-temperature and high-pressure settings across power plants, petrochemical refineries, and industrial boilers. These fittings play a crucial role in piping systems that transport steam, hot gases, and other aggressive fluids, where durability and safety are paramount. Their exceptional mechanical properties and corrosion resistance make them a trustworthy option for maintaining efficiency and safety in demanding 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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