Khuliso Fittings is a reliable manufacturer and supplier of Alloy Steel F11 Forged Fittings based in Cape Town, South Africa. We pride ourselves on providing top-notch forged components designed for high-pressure and high-temperature industrial applications. Our F11 forged fittings are crafted from high-quality alloy steel, ensuring outstanding strength, durability, and resistance to corrosion. Built to endure tough operating conditions, these fittings guarantee secure, leak-proof connections for pipelines in power plants, refineries, petrochemical, and chemical sectors. With cutting-edge manufacturing techniques and rigorous quality checks, Khuliso Fittings delivers F11 forged fittings that comply with international standards, ensuring long-lasting performance and safety in critical piping systems.
| Specification : | ASTM A182 F11 Forged Fittings |
|---|---|
| Thread Connections | ASME B16.11 (Socket Welding and Threaded) Fittings, MSS-SP-83 (Class Unions) Fittings, ASME B16.3 (Malleable Iron Fittings) Fittings, ASME B16.4 ( Gray Iron Fittings) Fittings, ASME B16.39 (Malleable Iron Unions) Fittings, ASME B16.34 (Valves — Flanged) Fittings, ASME B16.39 (Malleable Iron Pipe Unions, 150#, 250#, Or 300#) Fittings. |
| Standards | ASME B16.11 (American Standard), Bs3799, MSS SP 79, JIS B2302, MSS-SP-97 (Threadolet), MSS-SP-83 (Union), ASME B36.19 (Nipple) |
| Types Of Thread | NPT Fittings, BSPP Fittings, BSPT Fittings, PF Fittings, PT Fittings, MPT Fittings |
| Applications | Oil and Gas Chemical Power station Water Pipeline Noncritical Applications Fire Protection |
| Advantages Of | Simple Usage Easy installation Economic as cheaper |
| Size | Threaded Fittings = ½” – 4” |
| Pressure Rating | Threaded Fittings = Class 2000, Class 3000, Class 6000 |
| Type Of Pipe systems | 45 Deg Elbow, Equal tee, Full Coupling, Orangeucing Tee, 90 Deg Elbow, Half Coupling, Street Elbow, Bull Plug, Boss, Union (Male/Female), Lateral Outlet, 45 Lateral Tee, Equal Cross, Pipe Cap, Branch Outlets, Swage Nipple. |
Alloy Steel F11 Forged Fittings are made up of a precise blend of chromium (1.0–1.5%), molybdenum (0.44–0.65%), carbon, manganese, silicon, phosphorus, and sulfur. This specific chemical makeup gives them excellent tensile strength, yield strength, and corrosion resistance, even at high temperatures. Typically, F11 fittings boast a tensile strength of 415 MPa, a yield strength of 205 MPa, and an elongation of about 20%. The combination of chromium and molybdenum provides high-temperature creep resistance, durability, and mechanical stability, making these fittings perfect for critical industrial pipelines and high-pressure systems.
| Gr | C | Mn | Si | S | P | Cr | Mo |
| ASTM A182 F11 Forged Fittings | 0.05 – 0.15 | 0.3 – 0.6 | 0.5 – 1 | 0.03 | 0.03 | 1 – 1.5 | 0.044 – 0.65 |
| Gr | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| ASTM A182 F11 Forged Fittings | 205 | 415 | 20 |
Khuliso Fittings is a leading supplier of Alloy Steel F11 Forged Fittings in Cape Town, South Africa. We offer an extensive range of Alloy Steel F11 Forged 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.
Choose Alloy Steel F11 Forged Fittings from Khuliso Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Alloy Steel F11 Forged Fittings are primarily composed of carbon, manganese, phosphorus, sulfur, and silicon, with chromium (2.25-3%) and molybdenum (0.9-1.1%) as key alloying elements. Chromium enhances oxidation and corrosion resistance, while molybdenum improves strength and heat resistance. The mechanical properties include a tensile strength of approximately 585 MPa, yield strength of 415 MPa, and an elongation of around 20%. These fittings also exhibit good impact toughness, making them ideal for high-pressure, high-temperature applications. Alloy Steel F11 Forged Fittings offer long-lasting performance in demanding industrial environments.
Yes, custom sizes for Alloy Steel F11 Forged Fittings are available at Khuliso Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@khulisofittings.co.za.
| STANDARD | UNS | WERKSTOFF NR. | Trade Name |
| ASTM A182 F11 Forged Fittings | K11597 | 1.7338 | 1-1/4Cr-1/2Mo |
| DN | NPS | Center to End NPT Elbow, NPT Tee, NPT Cross A | Center to End 45 Deg Elbow C | O.D. of Band H | Min. Wall Thick. G | Length of Thread. Minimum (1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | B | L2 | ||
| 6 | 1/8 | 21 | 21 | 25 | 17 | 17 | 19 | 22 | 22 | 25 | 3.18 | 3.18 | 6.35 | 6.4 | 6.7 |
| 8 | 1/4 | 21 | 25 | 28 | 17 | 19 | 22 | 22 | 25 | 33 | 3.18 | 3.30 | 6.60 | 8.1 | 10.2 |
| 10 | 3/8 | 25 | 28 | 33 | 19 | 22 | 25 | 25 | 33 | 38 | 3.18 | 3.51 | 6.98 | 9.1 | 10.4 |
| 15 | 1/2 | 28 | 33 | 38 | 22 | 25 | 28 | 33 | 38 | 46 | 3.18 | 4.09 | 8.15 | 10.9 | 13.6 |
| 20 | 3/4 | 33 | 38 | 44 | 25 | 28 | 33 | 38 | 46 | 56 | 3.18 | 4.32 | 8.53 | 12.7 | 13.9 |
| 25 | 1 | 38 | 44 | 51 | 28 | 33 | 35 | 46 | 56 | 62 | 3.68 | 4.98 | 9.93 | 14.7 | 17.3 |
| 32 | 1-1/4 | 44 | 51 | 60 | 33 | 35 | 43 | 56 | 62 | 75 | 3.89 | 5.28 | 10.59 | 17.0 | 18.0 |
| 40 | 1-1/2 | 51 | 60 | 64 | 35 | 43 | 44 | 62 | 75 | 84 | 4.01 | 5.56 | 11.07 | 17.8 | 18.4 |
| 50 | 2 | 60 | 64 | 83 | 43 | 44 | 52 | 75 | 86 | 102 | 4.27 | 7.14 | 12.09 | 19.0 | 19.2 |
| 65 | 2-1/2 | 76 | 83 | 95 | 52 | 52 | 64 | 92 | 102 | 121 | 5.61 | 7.65 | 15.29 | 23.6 | 28.9 |
| 85 | 3 | 86 | 95 | 106 | 64 | 64 | 79 | 109 | 121 | 146 | 5.99 | 8.84 | 16.64 | 25.9 | 30.5 |
| 100 | 4 | 106 | 114 | 114 | 79 | 79 | 79 | 146 | 152 | 152 | 6.55 | 11.18 | 18.67 | 27.7 | 33.0 |
| Normal Pipe Size | A | B | QTY | Weight In KG |
|---|---|---|---|---|
| ¼ | 0.81 | 0.88 | 160 | 0.20 |
| ⁄ | 0.97 | 1.00 | 130 | 0.26 |
| ½ | 1.12 | 1.31 | 100 | 0.57 |
| ¾ | 1.31 | 1.5 | 75 | 0.71 |
| 1 | 1.5 | 1.81 | 40 | 1.08 |
| 1 ¼ | 1.75 | 2.19 | 25 | 1.68 |
| 1 ½ | 2.00 | 2.44 | 18 | 2.38 |
| 2 | 2.38 | 2.97 | 10 | 3.55 |
| 2 ½ | 3.00 | 3.62 | 4 | 6.22 |
| 3 | 3.38 | 4.31 | 2 | 10.36 |
| 4 | 4.19 | 5.75 | 1 | 23.91 |
Alloy Steel F11 Forged Fittings find extensive use in power generation plants, petrochemical and chemical industries, oil and gas refineries, and boiler systems. They are particularly suited for high-pressure steam lines, heat exchangers, superheaters, and pipelines that transport corrosive or high-temperature fluids. These fittings ensure robust, leak-proof connections while maintaining their structural integrity under extreme pressure and thermal cycling. Khuliso Fittings offers F11 forged fittings in a variety of sizes and configurations to meet diverse industrial needs.
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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