In the heart of Kinshasa, Yoane Steel stands as a trusted partner for industry, dedicated to providing robust and reliable materials built to withstand demanding environments. We take pride in our role as a leading manufacturer and supplier of Alloy Steel F91 Forged Fittings, offering products that meet the rigorous standards required for critical applications. Our commitment is to deliver not just fittings, but durable solutions that ensure the integrity and longevity of our clients’ projects across Congo and beyond.
The strength of Alloy Steel F91 lies in its specialized makeup, which includes chromium, molybdenum, and vanadium. This composition gives these fittings their notable resistance to high temperatures and pressures, preventing creep and maintaining strength where other materials might fail. They are carefully forged and heat-treated to achieve excellent toughness and durability, making them a go-to choice for systems that operate under extreme thermal stress, ensuring reliable performance over the long term.
Designation : ASTM / ASME A182 GR F91 |
Dimensions : ASME 16.11, MSS SP-79,83,95,97,BS 3799 |
Range : 1/8” – 4” (DN6-DN100) |
Types : Socket Weld Fittings, Screwed-Threaded Fittings |
Class : 2000LBS, 3000LBS, 6000LBS |
Form : Elbow 45 Deg & 90 Deg, Tee, Cross, Cap, Full Coupling, Half Coupling, Union, Bushing, Swage Nipple, Plug |
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A182 F91 | 0.08 – 0.12 | 0.3 – 0.6 | 0.5 | 0.01 | 0.02 | 8.5 – 9.5 | 0.85 – 1.05 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A182 F91 | 415 | 585 | 20 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
These F91 fittings are essential in sectors where safety and performance cannot be compromised. You will commonly find them in the powerful steam lines of power generation plants, within demanding petrochemical refineries, and in various high-temperature processing units. Their ability to maintain structural integrity under intense heat and pressure makes them indispensable for constructing safe, efficient, and long-lasting industrial piping systems that power essential services and manufacturing processes.
Yoane Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Kinshasa, Congo.
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