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Boikanyo Sheets and Plates, located in Cape Town, South Africa, stands out as a reliable manufacturer and supplier of top-notch metal products, including Duplex Steel Circles. Renowned for their remarkable strength, resistance to corrosion, and durability, Boikanyo’s Duplex Steel Circles are crafted to adhere to strict international standards. Offered in a variety of diameters and thicknesses, these circles guarantee consistent quality and performance. Their distinctive alloy composition provides exceptional resistance to harsh chemicals and marine environments, making them perfect for demanding industrial applications. Boikanyo’s Duplex Steel Circles deliver robust, dependable solutions for projects that require high mechanical strength and excellent corrosion protection.
Duplex Steel Circles are crafted from a well-balanced alloy that combines roughly equal parts of austenitic and ferritic stainless steel, typically featuring 20–28% chromium and 4–6% nickel, along with molybdenum and nitrogen to boost corrosion resistance. This unique composition results in tensile strengths ranging from 620 to 850 MPa and yield strengths between 450 and 650 MPa. The material showcases outstanding toughness and ductility, with elongation values hovering around 20–30%. Additionally, duplex steel effectively resists chloride-induced stress corrosion cracking, pitting, and crevice corrosion, outperforming many traditional stainless steels in aggressive environments.
| Standard | ASTM A240, ASME SA240 |
| Dimensions | ASTM, ASME and API |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc. |
| Thickness | 1 Mm To 100 mm. |
| Diameter | Upto 2000 Mm. |
| Circle Diameter | 3″ DIA up to 38″ DIA 1500 lbs max. |
| Circles Form | Cold Rolled, Small Flat, Industrial, Proof Machined, Perforated, Forged Steel, Cnc Finish, Polished Unique, Hot Rolled Circle.. |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Boikanyo Sheets and Plates based in Cape Town, South Africa, 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.
Duplex Steel Circles offer numerous advantages, making them highly sought-after for industrial applications. They combine the best properties of austenitic and ferritic stainless steels, delivering superior strength and corrosion resistance, especially against stress corrosion cracking and pitting. Their high tensile and yield strength allow for thinner, lighter designs, reducing material costs. Duplex Steel Circles exhibit excellent weldability and machinability, making them versatile for various manufacturing needs. Additionally, their durability and resistance to extreme temperatures and harsh chemicals make them ideal for use in marine, oil & gas, and chemical processing industries.
Yes, we offer custom sizes for Duplex Steel Circle to meet specific project needs. Our team at Boikanyo Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Duplex Steel Circles find extensive use in chemical processing, offshore oil and gas operations, and desalination plants, where exposure to harsh chemicals and saltwater is a given. They are perfect for pressure vessels, heat exchangers, and piping systems that demand high strength and corrosion resistance. Moreover, these circles are also utilized in architectural cladding and heavy industrial equipment.
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