Thabiso Steel stands out as a top-notch manufacturer and supplier of high-quality Alloy Steel F91 Forged Fittings right in Cape Town, South Africa. Known for its commitment to delivering exceptional quality and performance, Thabiso Steel serves a variety of industrial sectors that need robust, heat-resistant fittings. The company prides itself on excellence, offering an extensive selection of forged fittings that comply with global standards like ASTM and ASME. With a strong foundation in technical expertise and cutting-edge manufacturing capabilities, Thabiso Steel guarantees durability, precision, and reliability in every fitting, making it a go-to partner for clients in the power, petrochemical, and oil & gas industries.
Alloy Steel F91 Forged Fittings are primarily made up of Chromium (8-9.5%) and Molybdenum (0.85-1.05%), which enhance their strength and resistance to oxidation. They also contain Carbon, Manganese, Silicon, Phosphorus, Sulfur, and Vanadium. These fittings boast impressive mechanical properties, featuring a minimum tensile strength of 585 MPa and a yield strength of 415 MPa. They maintain excellent toughness and creep resistance even at high temperatures, along with good hardenability and fatigue strength. These traits make F91 fittings perfect for high-pressure and high-temperature applications, ensuring a long service life even in tough operating conditions.
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.
Alloy Steel F91 Forged Fittings are commonly utilized in industries that demand high-temperature and high-pressure performance, including power generation, oil and gas, petrochemicals, and refineries. These fittings play a crucial role in heat exchangers, boilers, superheaters, and pressure vessels thanks to their strength, oxidation resistance, and thermal stability. Their ability to endure aggressive media and thermal cycling makes them ideal for steam and gas lines, reactors, and other vital piping systems. With outstanding corrosion resistance and structural integrity, F91 forged fittings from Thabiso Steel ensure reliable connections, boosting safety and efficiency in complex industrial settings.
ThabisoSteel 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 Cape Town, South Africa.
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