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Hassan Sheets and Plate is a reputable manufacturer and supplier based in Riyadh, Saudi Arabia, specializing in top-notch **ASTM A182 F91 Circles**. These circles are celebrated for their remarkable strength, resistance to corrosion, and ability to perform under high temperatures, making them a go-to choice in the power generation, petrochemical, and refinery sectors. What sets ASTM A182 F91 Circles apart is their impressive capacity to endure extreme thermal and mechanical stress while keeping their structural integrity intact. At Hassan Sheets and Plate, they prioritize strict compliance with international quality standards, ensuring timely deliveries and cost-effective solutions, which means you can count on them for reliable materials in demanding industrial settings.
Crafted from a chromium-molybdenum-vanadium alloy steel, ASTM A182 F91 Circles are engineered for high-temperature and high-pressure applications. This unique composition offers outstanding tensile and yield strength, along with excellent impact toughness and resistance to oxidation, scaling, and corrosion in high-temperature environments. The heat treatment process further boosts their hardness, durability, and creep resistance, ensuring these circles perform well even under thermal cycling and high-pressure conditions. Their impressive mechanical properties and alloying elements make them ideal for critical piping, flanges, and pressure vessel applications.
Specifications ASTM A182 / ASME SA182
Standard ASTM, ASME and API
Range 4 mm to 350 mm dia
Length 1000 mm Long To 6000 mm Long
Finish Bright, Polish & Black
Condition Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
Grade Alloy Steel ASTM A182 F91 Round Bars DIN (1.4903) )
| Grade | C | Cr | Si | S | Mn | P | Mo |
| ASTM A182 F91 | 0.08 – 0.15 | 8.0 – 9.5 | 0.20 – 0.50 | 0.010 max | 0.30 – 0.60 | 0.020 | 0.85 – 1.05 |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 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.
Hassan Sheets and Plates based in Riyadh, Saudi Arabia, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
ASTM A182 F91 Circles offer several key advantages, including exceptional resistance to high temperatures, oxidation, and corrosion, making them suitable for extreme environments. Their high tensile and yield strength ensure durability and longevity in demanding applications. The addition of chromium and molybdenum provides excellent creep resistance, allowing the material to maintain structural integrity even at elevated temperatures. These circles are ideal for power plants, petrochemical industries, and heavy machinery, offering superior performance and reliability in high-stress environments. Their ability to withstand thermal fatigue and pressure enhances operational efficiency and safety.
Yes, we offer custom sizes for ASTM A182 F91 Circle to meet specific project needs. Our team at Hassan Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| STANDARD | UNS | WNR. |
| Alloy Steel ASTM A182 F91 | – | 1.4903 |
You’ll find ASTM A182 F91 Circles commonly used in the production of flanges, fittings, valves, and pressure vessel components across power plants, petrochemical refineries, and the oil and gas industries. They’re also essential in high-temperature piping systems, superheaters, and reheater components where corrosion resistance and mechanical strength are paramount. Additionally, these circles play a vital role in industrial boilers and chemical processing plants that operate under harsh conditions. With their blend of durability, high-temperature performance, and corrosion resistance, ASTM A182 F91 Circles deliver dependable and long-lasting service in critical industrial applications.
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Riyadh, Saudi Arabia
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