Tim Fittings, located in Wellington, New Zealand, has earned a solid reputation as a reliable manufacturer and supplier of top-notch **Alloy Steel WP9 Buttweld Fittings** that adhere to strict international standards. With a focus on precision and dependability, Tim Fittings delivers robust fittings that excel in high-pressure and high-temperature environments. Their WP9 buttweld fittings are specifically designed for demanding sectors like power generation, petrochemical, and oil and gas, where durability, corrosion resistance, and longevity are crucial. Thanks to rigorous quality control and cutting-edge fabrication methods, Tim Fittings guarantees consistent performance, safety, and durability in every product they offer.
| 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 made from chromium and molybdenum, which provide exceptional strength and remarkable resistance to oxidation, scaling, and corrosion at high temperatures. These fittings boast high tensile and yield strength, impressive creep rupture characteristics, and solid impact resistance, ensuring they maintain structural integrity even in tough conditions. The alloy’s well-balanced composition allows for excellent weldability and durability, keeping its integrity intact under both thermal and mechanical stresses, making WP9 a fantastic choice for long-term use in extreme environments.
| 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 |
Tim Fittings one of the largest suppliers of Alloy Steel WP9 Buttweld Fittings in Wellington, New Zealand. 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 New Zealand.
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 Tim 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@timfittings.co.nz.
You’ll find **Alloy Steel WP9 Buttweld Fittings** commonly used in power plants, refineries, chemical processing facilities, and heat exchanger systems. They’re perfect for high-pressure steam lines, boilers, superheaters, and other components that face elevated temperatures and corrosive gases. Their outstanding thermal fatigue resistance and strength make them ideal for continuous operation in challenging settings. These fittings not only ensure safe and efficient performance but also help reduce maintenance needs and extend the lifespan of equipment, making them a go-to option for critical industrial applications that demand reliability and resilience.
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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