Zain Fittings has earned a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel WP22 Buttweld Fittings right in Surabaya, Indonesia. We proudly serve a growing clientele in Jakarta and beyond. Our dedication to precision engineering and adherence to international standards sets us apart. We specialize in crafting durable, high-performance buttweld fittings that cater to both industrial and commercial needs. Designed to endure high-pressure situations and extreme temperatures, our fittings are perfect for the rigorous demands of the oil & gas, petrochemical, and power generation industries. When it comes to Alloy Steel WP22 solutions in Indonesia, Zain Fittings is your go-to partner.
| 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 |
Our Alloy Steel WP22 Buttweld Fittings are made up of key elements like Chromium (2.00–2.50%) and Molybdenum (0.87–1.13%), along with carefully balanced levels of carbon, manganese, phosphorus, sulfur, and silicon. This combination boosts corrosion resistance, heat tolerance, and mechanical strength. Typically, these fittings boast a tensile strength ranging from 415 to 585 MPa, a yield strength of at least 205 MPa, and a minimum elongation of 20%. They also exhibit impressive hardness and resistance to stress rupture, making them perfect for high-temperature applications in power plants and refineries. At Zain Fittings, we ensure that all our products meet the ASTM A234 WP22 standards.
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 Zain 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@zainfittings.id.
Alloy Steel WP22 Buttweld Fittings find their place in various industries that demand high strength and resistance to high temperatures. This includes oil and gas refineries, thermal and nuclear power plants, chemical processing facilities, and petrochemical sectors. Their outstanding weldability and durability make them ideal for connecting pipes in high-pressure settings, effectively transporting steam, gas, and corrosive fluids. In Jakarta, where industrial growth is on the rise, these fittings play a crucial role in supporting safe and efficient piping systems across both infrastructure and energy sectors. Zain Fittings is committed to delivering exceptional performance by providing fittings that meet rigorous quality and international compliance standards, ensuring longevity and reliability.
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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