Braxton Fittings is a trusted manufacturer and supplier of high-quality fittings in Midland, UK. Specializing in a wide range of industrial fittings. We ensure precision, durability, and performance in every product. Among their offerings, Alloy Steel WP9 Buttweld Fittings stand out for their excellent resistance to high-temperature environments and corrosive conditions. These Buttweld Fittings are designed for use in demanding applications, offering reliability and strength for various industries, including oil, gas, and power generation.
| 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 WP9 Buttweld Fittings are primarily composed of chromium (2.25%) and molybdenum (1%), with small amounts of carbon, manganese, phosphorus, sulfur, and silicon. This composition enhances their strength, corrosion resistance, and ability to withstand high temperatures. The mechanical properties include a tensile strength of 485 MPa (min), yield strength of 205 MPa (min), and elongation of 30% (min). WP9 fittings are known for their excellent resistance to oxidation and carburization, making them ideal for high-pressure, high-temperature applications in industries such as power generation, petrochemical, and oil & gas.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP9 | ≤0.15 | ≤0.6 | 1.00 | ≤0.03 | ≤0.03 | 8-10 | 0.99-1.10 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP9 | 380 min | 585 min | ≥30 |
Braxton Fittings one of the largest suppliers of Alloy Steel WP9 Buttweld Fittings in Midland, UK. 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 WP9 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 WP9 Buttweld Fittings in the UK.
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 WP9 Buttweld Fittings from Braxton 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.
| NPS (Normal Pipe Size) | O.D. (Outside Daimeter) | Elbow 90 Deg | Elbow 45 Deg | Return Elbow 180 Deg | ||||
| (inch) | Long Radius Elbow | Short Radius | Long Radius Elbow | Long Radius Elbow | ||||
| (millimeter/ MM) | (inch./ Inches) | Center to Face (Inches) | Center to Face (Inches) | Center to Face (Inches) | Radius (Inches) | Center to Center (Inches) | Back to face (Inches) | |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | 2 1/4 | 1 11/16 | |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Alloy Steel WP9 Buttweld Fittings offer several advantages, making them ideal for high-temperature and high-pressure applications. Their composition, featuring chromium and molybdenum, enhances their resistance to oxidation, corrosion, and wear, ensuring long-lasting performance. WP9 Fittings are highly durable, with excellent strength and weldability, making them suitable for demanding industries such as power generation, petrochemical, and oil & gas. They provide superior resistance to thermal fatigue and carburization, ensuring the integrity of piping systems under extreme conditions. Additionally, they offer ease of installation and minimal maintenance over time.
| Pressure-Temperature ratings for ASME B16.9 ASTM A234 WP9 Pipe Fittings(psig) | |||||
| Temperature Ratings | Pressure Class | ||||
| 150 | 300 | ||||
| 1/4 – 1 Inches | 1 1/4 – 2 Inches | 2 1/2 – 3 Inches | |||
| (oF) | (oC) | ||||
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 250 | 121 | 225 | 1575 | 1200 | 825 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 350 | 177 | 150 | 1150 | 900 | 650 |
| 400 | 204 | – | 935 | 750 | 560 |
| 450 | 232 | – | 725 | 600 | 475 |
| 500 | 260 | – | 510 | 450 | 385 |
| 550 | 288 | – | 300 | 300 | 300 |
Yes, custom sizes are available for Alloy Steel WP9 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@braxtonfittings.co.uk.
Alloy Steel WP9 Buttweld Fittings are widely used in industries that require high-performance materials for extreme conditions. These fittings are ideal for power generation plants, refineries, and chemical processing industries due to their excellent resistance to high temperatures, corrosion, and thermal fatigue. They are commonly used in steam pipelines, boilers, and pressure vessels. WP9 fittings are also essential in the oil and gas sector, specifically in high-pressure and high-temperature systems. Their durability and strength make them suitable for applications involving high-stress environments and severe service conditions.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








©2024 Braxton Fittings. All Rights Reserved.