Phehlukwayo Metal stands out as a premier manufacturer and supplier located in Cape Town, South Africa, focusing on top-notch alloy steel products like Alloy Steel F91 bars and rods. The company caters to various industries, including power generation, petrochemical, oil and gas, and thermal processing, providing materials engineered to withstand extreme temperatures and pressures. With cutting-edge forging and heat treatment techniques, Phehlukwayo Metal guarantees exceptional mechanical performance and adherence to international standards such as ASTM A182. Renowned for its unwavering quality, technical know-how, and prompt delivery, Phehlukwayo Metal has become a reliable partner for high-performance alloy steels in critical service applications.
Alloy Steel F91 bars and rods primarily consist of chromium (8–9.5%), molybdenum (0.85–1.05%), and vanadium (0.18–0.25%), along with small amounts of carbon, manganese, silicon, and nitrogen. This alloy is specifically engineered for creep strength and durability at elevated temperatures. Typical mechanical properties include a tensile strength ranging from 585 to 760 MPa, a yield strength of about 415 MPa, and remarkable creep resistance at temperatures exceeding 600°C. F91 is a modified 9Cr-1Mo alloy, providing enhanced hardness, thermal stability, and corrosion resistance. It is commonly supplied in a normalized and tempered state to improve its metallurgical structure, making it well-suited for demanding high-temperature service environments.
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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 high-temperature, high-pressure applications such as power plant piping, superheaters, reheaters, steam headers, and boiler tubes. In the petrochemical and oil & gas industries, they are utilized in pressure vessels, heat exchangers, and refinery reactors. Their outstanding creep strength and oxidation resistance make them perfect for prolonged exposure in elevated temperature settings. F91 is also employed in flanges, valves, and fittings for thermal power systems.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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