Maduka Metals, located in Abuja, Nigeria, stands out as a top manufacturer and supplier of high-quality Alloy Steel F91 Bars and Rods. Known for their precision engineering and strict quality standards, Maduka Metals caters to a variety of industries, including power generation, oil and gas, and construction. Their Alloy Steel F91 products are designed to provide exceptional strength, durability, and resistance to high temperatures and corrosive environments. With a strong commitment to excellence, timely delivery, and customer satisfaction, Maduka Metals has become a reliable partner for businesses seeking dependable, high-performance steel solutions that meet both local and international standards.
Alloy Steel F91 Bars and Rods are primarily made of iron, with carefully measured amounts of chromium (8–9%), molybdenum (0.85–1.05%), vanadium (0.18–0.25%), and small traces of carbon (0.08–0.12%) and manganese. This precise composition results in outstanding high-temperature strength and oxidation resistance. In terms of mechanical properties, F91 steel boasts a tensile strength of about 750–850 MPa, a yield strength of around 500–600 MPa, and excellent creep resistance, making it perfect for challenging environments. Its toughness and hardness remain intact even at elevated temperatures, ensuring reliable performance in critical engineering applications.
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type |
Alloy Steel ASTM A182 F91 Round Bars |
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Type |
rod, square bar, Round bar, hexagon bar, flat bar, channel bar, angle bar, threaded bar |
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Standards |
Alloy Steel ASTM A182 F91 , A479, A314, GB4226-84, GB/T1220-2007, JISG4311-91, JIS G4318-98, EN 10095-99, GB4226-84, EN10088-3-2005, JIS G3033-2005, etc |
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Surface |
bright round bar, pickled round bar, black round bar |
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Package Details |
Standard seaworthy package(wooden boxes package,pvc package, or other package) |
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Technique |
Forged/Hot Rolled/Cold Drawn/Peeled |
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Range |
Range – 3.17mm to 350mm dia |
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Diameter |
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Length |
1m-9m or according to the customer’s requirement |
| Grade | C | Mn | Si | Mo | P | Cr |
| ASTM A182 F91 | 0.08 – 0.15 | 0.30 – 0.60 | 0.20 – 0.50 | 0.85 – 1.05 | 0.020 | 8.0 – 9.5 |
| Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| 570 | 23 | 295 |
| STANDARD | WERKSTOFF NR. | UNS |
| ASTM A182 F91 | 1.4903 | – |
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SHAPE |
POUNDS PER FOOT |
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Round |
D2 x 2.67 |
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Hexagon |
D2 x 2.945 |
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Square |
D2 x 3.4 |
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Flat |
Thickness (in.) x Width (in.) x 3.4 |
Alloy Steel F91 Bars and Rods are primarily used in high-temperature and high-pressure applications such as power plants, pressure vessels, and heat exchangers due to their strength and resistance to oxidation.
Alloy Steel F91 offers excellent tensile strength, high-temperature resistance, and good oxidation and corrosion resistance, making it ideal for demanding industrial applications.
Alloy Steel F91 Bars and Rods find extensive use in industries that demand high-temperature and high-pressure strength, especially in power plants, petrochemical refineries, and oil and gas pipelines. Their remarkable creep and corrosion resistance make them ideal for applications like boiler tubes, pressure vessels, and heat exchangers. Additionally, they are utilized in the construction of structural components that face thermal cycling and extreme mechanical stress. F91 steel is also a preferred choice in the nuclear and thermal energy sectors for essential components. Its blend of durability, strength, and stability under harsh conditions makes it an excellent option for various demanding applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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