Maduka Metals, a prominent manufacturer and supplier located in Abuja, Nigeria, is dedicated to crafting top-notch Stainless Steel 446 Rectangular Bars that excel in high-temperature and corrosive settings. These bars are celebrated for their remarkable oxidation resistance and durability, making them perfect for tough industrial tasks. Adhering to international standards, Maduka Metals guarantees precision, strength, and longevity in every product they offer. Their Stainless Steel 446 Rectangular Bars find applications across various sectors, including petrochemical, power generation, furnace equipment, and chemical processing, both in Nigeria and beyond.
These bars are primarily made up of iron, with 23–27% chromium, along with trace amounts of molybdenum, manganese, silicon, and carbon. This ferritic stainless steel grade boasts exceptional resistance to oxidation, sulfidation, and scaling at high temperatures. With a tensile strength of around 485 MPa and a yield strength of approximately 275 MPa, these bars demonstrate impressive toughness, hardness, and good machinability, ensuring reliable performance even under extreme heat and chemical exposure.
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Fe |
| SS 446 | 0.2 max | 1.5 max | 0.75 max | 0.040 max | 0.03 max | 23 – 30 | 0.10 – 0.25 | 0.50 max | Balance |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.5 g/cm3 | 1510 °C (2750 °F) | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 446 | 1.4762 | S44600 | – | – | – | – | – |
When selecting Stainless Steel 446 Rectangular Bars, consider factors like temperature resistance, corrosion resistance, and the specific environmental conditions. Additionally, ensure compatibility with the required mechanical properties and fabrication needs.
Stainless Steel 446 Rectangular Bars are not ideal for cryogenic applications due to their reduced toughness at low temperatures. For cryogenic use, materials with better low-temperature properties, like austenitic stainless steels, are recommended.
Stainless Steel 446 Rectangular Bars generally do not require additional corrosion protection coatings due to their inherent high corrosion resistance. However, in highly aggressive environments, coatings may be used for added protection.
Stainless Steel 446 Rectangular Bars are widely utilized in heat exchangers, furnaces, boilers, and chemical processing facilities due to their outstanding resistance to oxidation and corrosion at elevated temperatures. They also play a crucial role in power generation systems, thermal plants, and industrial heating equipment. Thanks to their robust mechanical properties, they are well-suited for creating structural components, conveyor systems, and heat-resistant fixtures. These bars promise long-lasting performance, reliability, and strength in challenging environments, making them an excellent choice for heavy-duty industrial applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
Copyright 2024 Maduka Metals. All rights reserved