Tolu Fittings stands out as a top manufacturer and supplier of **Alloy Steel WP91 Pipe Fittings** right from Abuja, Nigeria. This company is all about delivering high-quality fittings that are designed for exceptional strength, durability, and resistance to corrosion. With a commitment to precision manufacturing and adherence to international quality standards, Tolu Fittings guarantees that every WP91 fitting is up to the task for demanding industrial needs. Their diverse product lineup features elbows, tees, reducers, and caps, all crafted for high-temperature and high-pressure applications. Supported by a talented team and state-of-the-art production facilities, Tolu Fittings proudly serves clients in the oil and gas, petrochemical, power generation, and industrial sectors with reliability and excellence.
| Specifications | ASTM A234 / ASME SA234 |
|---|---|
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Size | Seamless Fittings: 1/2″ – 10″ Welded Fittings: 1/2″ – 48″ |
| Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Manufacturing Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 DIN : DIN2605, DIN2615, DIN2616, DIN2617, DIN28011, DN15-DN1200 BS : BS4504, BS4504, BS1560, BS10 JIS : JIS B2311, JIS B2312, JIS B2313, JIS B2316 GOST : GOST 17375, GOST 17376, GOST 30753, GOST 17378, GOST 17379, GOST 17380 EN: EN10253-1, EN10253-2 |
| Types | Seamless / ERW / Welded / Fabricated |
| Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Elbow | Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D. Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
| Manufacturing process | Push, Press, Forge, Cast, etc. |
| Specialized manufacturer of | 90º Elbows, Couplings, Reducers, Inserts, Caps, Nipples, 45º Elbows, Tees, Crosses, Equal Tees & Reducing Tees |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Alloy Steel WP91 Pipe Fittings are mainly made up of chromium (8-9.5%) and molybdenum (0.85-1.05%), along with small amounts of vanadium, carbon, manganese, and nickel to boost their strength and hardness. These fittings showcase remarkable mechanical properties, such as high tensile strength, excellent creep resistance, and outstanding oxidation resistance at elevated temperatures. With a minimum tensile strength of 585 MPa and a yield strength of 415 MPa, WP91 fittings maintain impressive structural integrity even under extreme thermal and mechanical stress, making them perfect for high-pressure steam and power plant systems.
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP91 | 0.05-0.15 | 0.3-0.6 | ≤0.5 | ≤0.04 | ≤0.04 | 2-2.5 | 0.87-1.13 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP91 | 415-585 | 205 | 20 |
Tolu Fittings is a leading supplier of Alloy Steel WP91 Pipe Fittings in Abuja, Nigeria. We offer an extensive range of Alloy Steel WP91 Pipe Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
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 Pipe Fittings from Tolu 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 Pipe Fittings offer numerous advantages, including exceptional strength and resistance to high temperatures, making them ideal for power plants, petrochemicals, and other demanding industries. They resist oxidation, creep, and thermal fatigue at elevated temperatures. WP91 fittings also display good weldability, ensuring reliable and durable connections in piping systems. Additionally, they exhibit superior resistance to corrosion and stress corrosion cracking, enhancing their lifespan and performance in harsh environments. Their versatility and excellent mechanical properties make them a preferred choice for critical applications.
| Nominal Pipe Size | All Fittings | All Fittings | All Fittings | Elbows/ Tees | 180° Return Bends | 180° Return Bends | 180 Deg Return Bends | Reducers | Caps |
|---|---|---|---|---|---|---|---|---|---|
| NPS | O.D. at Bevel (1), (2) | I.D. at End (1), (3), (4) | Wall Thickness (3) | Centre-to-End Dimension A,B,C,M | Centre-to-Centre O | Back-to-Face K | Alignment of Ends U | Overall Length H | Overall Length E |
| ½ to 2½ | 0.06 -0.03 | 0.03 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 3 to 3 ½ | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 4 | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 5 to 8 | 0.09 -0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.25 |
| 10 to 18 | 0.16 -0.12 | 0.12 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 20 to 24 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 26 to 30 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.12 | … | … | … | 0.19 | 0.38 |
| 32 to 48 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.19 | … | … | … | 0.19 | 0.38 |
Yes, custom sizes for Alloy Steel WP91 Pipe Fittings are available at Tolu Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@tolufittings.com.
Alloy Steel WP91 Pipe Fittings find their place in various industries that demand durable and heat-resistant piping components. They are particularly well-suited for **power generation plants**, **boilers**, **superheaters**, and **heat exchangers**, where high temperatures and pressures are the norm. The remarkable creep and oxidation resistance of WP91 fittings also make them ideal for **oil and gas refineries**, **chemical processing units**, and **petrochemical industries**. Furthermore, these fittings are utilized in **thermal power plants** and **nuclear installations** for efficient piping systems.
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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