Welcome to Maduka Metals, your trusted partner in Abuja for premium stainless steel solutions. We take pride in being a leading manufacturer and supplier, dedicated to providing top-quality materials for a wide range of industrial and construction needs. Our focus is on delivering exceptional Stainless Steel 321 Bars and Rods, known for their superior performance and reliability, directly supporting the growth and durability of projects across Nigeria and beyond.
Stainless Steel 321 is an austenitic chromium-nickel steel stabilized with titanium. This special addition gives it excellent resistance to intergranular corrosion, especially after exposure to high temperatures. It maintains good mechanical properties, including high strength and impressive ductility, even under stressful conditions. This combination of a robust composition and reliable toughness makes it a dependable choice for demanding environments where both durability and formability are essential.
Specification : ASTM A276/ASME SA276, SA479/A479
Standard : DIN, EN, ASTM, JIS, ASME, BS, AISI
Round Bars : OD 4 to 500mm
Bright Bars : OD 4 to 100mm
Hex Bars : 18 to 57mm (11/16″ to 2-3/4″)
Square Bars : 18mm to 47mm (11/16″ to 1-3/4″)
Finish : Matt Finish, Bright Polished, Black, NO.4 Finish, Rough Turned, BA Finish
Length : cut to size 1 – 6 Meters,
Form : Hex, Square, Round, Rectangle Etc.
| Grade | Ti | Mn | C | Si | S | P | Mo | Cr | Ni |
| SS 321 | 5(C+N) to 0.70 maximum | 2.0 maximum | 0.08 maximum | 1.0 maximum | 0.030 maximum | 0.045 maximum | – | 17.00 to 19.00 | 9.00 to 12.00 |
| Melting Point | Density | (0.2%Offset) Yield Strength | Tensile Strength | Elongation |
| 1457 °C (2650 °F) | 8.0 g/cm3 | Psi – 30000 , MPa – 205 | Psi – 75000 , MPa – 515 | 35 % |
| WERKSTOFF NR. | STANDARD | JIS | UNS | EN |
| 1.4541 | SS 321 | SUS 321 | S32100 | X6CrNiTi18-10 |
Stainless Steel 321 offers excellent resistance to oxidation and corrosion, especially in high-temperature environments. It also provides exceptional stability and strength, making it suitable for various industrial applications.
Yes, Stainless Steel 321 is well-suited for welding. Its titanium stabilization prevents intergranular corrosion during welding, ensuring structural integrity and longevity.
The unique strength of Stainless Steel 321 Bars and Rods makes them ideal for challenging applications. You’ll commonly find them in high-temperature equipment like exhaust systems, furnace parts, and heat exchangers. They are also widely used in the chemical processing industry for vessels and piping, as well as in architectural projects requiring long-lasting, weldable components. Essentially, wherever there’s a need for a material that can handle heat and corrosion gracefully, 321 is a go-to option for engineers and fabricators.
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
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