Welcome to Maduka Metals, your trusted partner for industrial materials right here in Abuja. We take pride in supplying high-performance solutions tailored to our region’s unique demands, and our Duplex Steel Round Bar is a prime example. This exceptional material is engineered to withstand the toughest conditions, offering a perfect balance of strength and corrosion resistance that is ideal for Nigeria’s challenging industrial and coastal environments.
The strength of Duplex Steel comes from its unique composition, blending chromium, nickel, molybdenum, and nitrogen. This creates a dual-phase microstructure that delivers outstanding mechanical properties. It boasts a tensile strength nearly double that of standard stainless steels, along with excellent toughness and impressive resistance to stress corrosion cracking, making it a remarkably durable and long-lasting choice for critical applications.
Standards : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 10 mm To 100 mm Dia in
Length : 100 mm TO 6000 mm Length.
Specifications : ASTM A276, A479 / ASME SA276, SA479
Form : Round
Finish : Bright, Polish & Black
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| S31803 / S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
To select the right Duplex Steel Round Bars, consider factors like corrosion resistance, mechanical strength, temperature conditions, and the specific industry requirements. Consult material specifications and expert advice for optimal selection.
Common grades of Duplex Steel used in round bar manufacturing include 2205 (F51), 2507 (F53), and 2304, each offering varying levels of corrosion resistance, strength, and weldability for specific applications.
Yes, Duplex Steel Round Bars are fully recyclable. Their high-quality composition allows them to be reused in various industries without compromising performance or structural integrity.
You’ll find our Duplex Steel Round Bar hard at work in numerous vital sectors. It’s essential in the oil and gas industry for pipelines and platforms, in desalination plants handling salty water, and in chemical processing where it resists aggressive acids. Its reliability also makes it a preferred material for architectural projects in coastal areas, construction, and heavy machinery, proving its worth wherever strength and resistance to rust are non-negotiable.
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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