Nguyen Fittings and Plates supplies high-performance Alloy Steel F5 Forged Fittings for high-temperature, high-pressure environments. Manufactured to ASTM A182 F5 and ASME B16.11 standards, these fittings come in socket weld and threaded types. Alloy Steel F5, a chromium-molybdenum grade, provides good oxidation resistance, mechanical strength, and creep resistance at elevated temperatures. These forged fittings are commonly found in power plants, petrochemical industries, and boiler systems. With precise dimensions and strong metallurgy, F5 forged fittings ensure leak-proof operation, easy installation, and long-term performance in extreme service conditions.
| Specification : | ASTM A182 F5 Forged Fittings |
|---|---|
| Pressure Rating | Threaded Fittings = Class 2000, Class 3000, Class 6000 |
| Type Of Pipe systems | 45 Deg Elbow, Equal tee, Full Coupling, Reducing 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. |
| Thread Connections | ASME B16.11 (Socket Welding and Threaded), MSS-SP-83 (Class Unions), ASME B16.3 (Malleable Iron Fittings), ASME B16.4 ( Gray Iron Fittings), ASME B16.39 (Malleable Iron Unions), ASME B16.34 (Valves — Flanged), ASME B16.39 (Malleable Iron Pipe Unions, 150#, 250#, Or 300#). |
| Standards | ASME B16.11 (American Standard) Fittings, Bs3799 Fittings, MSS SP 79 Fittings, JIS B2302 Fittings, MSS-SP-97 (Threadolet) Fittings, MSS-SP-83 (Union) Fittings, ASME B36.19 (Nipple) Fittings |
| 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” |
Alloy Steel F5 contains 4–6% chromium, 0.5–1% molybdenum, and carbon steel. It provides a tensile strength of 485–620 MPa and a yield strength of 275 MPa, with good hardness, fatigue resistance, and thermal stability. The chromium enhances resistance to oxidation and scaling, while molybdenum increases high-temperature strength. F5 performs effectively under thermal cycling, steam pressure, and chemical exposure, making it suitable for critical pressure systems.
| Gr | C | Mn | Si | S | P | Cr | Mo |
| ASTM A182 F5 Forged Fittings | 0.15 | 0.3 – 0.6 | 0.5 | 0.03 | 0.03 | 4 – 6 | 0.044 – 0.65 |
| Gr | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| ASTM A182 F5 Forged Fittings | 275 | 485 | 20 |
Nguyen Fittings is a leading supplier of Alloy Steel F5 Forged Fittings in Da Nang, Vietnam. We offer an extensive range of Alloy Steel F5 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 F5 Forged Fittings from Nguyen 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 F5 Forged Fittings offer numerous advantages, making them ideal for critical industrial applications. Their high chromium and molybdenum content provides excellent corrosion and oxidation resistance, ensuring durability in harsh environments. These fittings deliver exceptional strength and thermal stability, performing reliably in high-pressure and high-temperature conditions. The forged construction enhances their mechanical properties, ensuring secure, leak-proof connections. They are also resistant to wear and deformation, extending the lifespan of pipeline systems. Cost-effective and versatile, Alloy Steel F5 Forged Fittings are a preferred choice for industries like oil, gas, and power generation.
Yes, custom sizes for Alloy Steel F5 Forged Fittings are available at Nguyen Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@nguyenfittings.com.
| STANDARD | UNS | WERKSTOFF NR. | Trade Name |
| ASTM A182 F5 Forged Fittings | K41545 | 1.7362 | 5Cr-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 F5 forged fittings are used in boiler tube systems, superheaters, nuclear reactors, power generation, and refinery processing units. They are ideal for steam transport lines, hydrocarbon systems, and catalytic reformers due to their strength and heat resistance. These fittings are also found in heat exchangers, valve assemblies, and high-pressure fluid systems where mechanical integrity and resistance to thermal fatigue are essential. Their durability and dimensional accuracy help prevent system failures and reduce maintenance costs.
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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