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Boikanyo Sheets and Plates stands out as a premier supplier and processor of specialty metals right in Cape Town, South Africa. They offer top-notch products like Alloy 20 Foils, which are specifically designed to thrive in highly corrosive environments. These foils are perfect for use in industries such as chemical processing, pharmaceuticals, and food production. Boikanyo is dedicated to providing high-quality materials that adhere to the strictest international standards. With a strong emphasis on precision, consistency, and customer satisfaction, they ensure that every batch of Alloy 20 Foils meets the rigorous operational and environmental demands.
Alloy 20 Foils are primarily made of iron, with notable amounts of nickel (32–38%), chromium (19–21%), molybdenum (2–3%), and copper (3–4%). This austenitic stainless steel alloy is renowned for its exceptional resistance to sulfuric acid, as well as corrosion and pitting caused by chlorides. Alloy 20 boasts a tensile strength ranging from about 551 to 758 MPa and a yield strength of around 241 MPa, depending on how it’s processed. It’s also recognized for its good fabricability, weldability, and thermal stability, making it a great fit for both high-temperature and corrosive settings. Even in aggressive chemical environments, this alloy maintains its strength and corrosion resistance.
ASTM B463, ASME SB463
0.02mm – 5.0mm
3.2mm – 1500mm
NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA.
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | EN |
| Alloy 20 | 2.4660 | N08020 | Z2NCUD31-20AZ | NiCr20CuMo |
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
| Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.0-4.0 | 32.0-38.0 | 19.0-21.0 | 29.85 min* | 2.0-3.0 | 0.045 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30% |
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.
Alloy 20 foils offer numerous advantages, including exceptional resistance to corrosion, particularly in acidic environments such as sulfuric acid. They are highly resistant to pitting, crevice corrosion, and stress corrosion cracking, ensuring durability and reliability in harsh conditions. Their superior mechanical properties, such as high tensile and yield strength, enable them to perform well under pressure and thermal stress. Additionally, Alloy 20 foils are versatile and easy to fabricate, making them ideal for applications in chemical processing, pharmaceuticals, food production, and other industries requiring high-performance corrosion-resistant materials.
Yes, we offer custom sizes for Alloy 20 Foils 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.
You’ll find Alloy 20 Foils in a wide array of critical applications where corrosion resistance is a must. In the chemical processing industry, for instance, the foil is utilized in linings, heat exchangers, and reactor vessels that come into contact with acids. In the pharmaceutical and food processing fields, Alloy 20 is favored for hygienic equipment and containment solutions due to its resistance to contamination and chemical damage. Other uses include storage tanks, piping, pressure vessels, and marine components. Its remarkable formability and ability to endure harsh conditions make Alloy 20 Foils a top choice for various applications.
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