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Smith Fittings is a well-respected manufacturer and supplier of **ASTM A182 F91 Circles** located in **Canberra, Australia**. We pride ourselves on delivering top-notch alloy steel products that are built to withstand the rigors of high-temperature and high-pressure environments. Our ASTM A182 F91 Circles are crafted with precision using cutting-edge technology, ensuring they offer outstanding performance, corrosion resistance, and exact dimensions. We cater to various industries, including power generation, petrochemicals, and refineries, providing reliable components that adhere to international standards. With a strong commitment to quality, we deliver robust and efficient solutions tailored to meet the challenging demands of today’s industrial applications.
**ASTM A182 F91 Circles** are made up of **chromium (8–9.5%)**, **molybdenum (0.85–1.05%)**, **carbon (0.08–0.12%)**, **manganese (0.30–0.60%)**, **silicon (0.20–0.50%)**, along with trace amounts of **vanadium, nickel, and niobium**. These circles boast impressive **tensile strength (585–760 MPa)**, **yield strength (minimum 415 MPa)**, and remarkable **creep resistance** at high temperatures. The well-balanced composition of the alloy ensures high hardness, toughness, and thermal stability, making it perfect for use in extreme heat and pressure situations.
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.
Josh Sheets and Plates based in Midland, Australia, 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 Josh 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** widely utilized in **power plants, boilers, steam turbines, and heat exchangers**, where they serve as essential components that can handle thermal stress and pressure. In the **oil, gas, and petrochemical sectors**, they are used in **valves, flanges, fittings, and reactor vessels**. These circles also play a vital role in **high-temperature piping systems, pressure vessels, and industrial machinery**, delivering exceptional performance even in the toughest conditions. Their unique combination of **heat resistance, mechanical strength, and corrosion protection** makes them crucial for **energy, refinery, and process engineering applications** around the globe.
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