Welcome to Maduka Metals, your trusted partner for premium metals right here in Abuja. We specialize in supplying high-performance Nitronic bars and rods, bringing world-class engineering materials directly to Nigeria’s growing industrial landscape. Our commitment is to provide local manufacturers, engineers, and fabricators with reliable access to these superior alloys, supporting projects that demand exceptional strength and corrosion resistance. We understand the unique challenges of our environment and are dedicated to being more than just a supplier, but a valuable resource for quality and expertise.
The exceptional quality of Nitronic bars and rods comes from their special composition, which includes a careful balance of chromium, nickel, manganese, and nitrogen. This unique recipe gives these materials an outstanding combination of high strength and remarkable resistance to corrosion, far surpassing that of common stainless steels. They maintain their toughness and durability even in extreme temperatures and aggressive environments, making them a reliable choice where ordinary materials would quickly fail under stress.
| Standards : | UNS S21906 | AMS 5656 | MIL-T-9821 | ASTM A276 | ASME SA276 UNS S21800 | Alloy 218 | ASME SA 193 | AMS 5848 | ASTM A 193 EN 1.3964 | ISO 15156-3 | NACE MR0175 | UNS S20910 | AMS 5764 | ASTM A193 | Werkstoff 1.3964 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | C | Mn | Si | S | Cr | Ni |
| Nitronic 50 | 0.06 max | 0.10 max | 0.1 max | 23.50 | 14.00 – 17.00 | 13.50 max |
| Nitronic 60 | 0.10 max | 9.00 max | 4.5 max | – | 18.00 | 9.00 max |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness |
| Nitronic 50 | 95 | 50 | 35 % | 241 |
| Nitronic 60 | 105 | 55 | 35 % | – |
| STANDARD | UNS | EN | ISO | NACE | AMS | ASTM | Werkstoff | other |
| Nitronic 40 | S21906 | – | – | – | 5656 | A276 | – | MIL-T-9821 |
| Nitronic 50 | S20910 | 1.3964 | 15156-3 | MR0175 | 5656 | A193 | 1.3964 | MIL-T-9821 |
| Nitronic 60 | S21800 | – | – | – | 5848 | A193 | 1.3964 | Alloy 218 |
Yes, Nitronic bars, such as Nitronic 50 and Nitronic 60, can be welded using standard welding techniques, including TIG, MIG, and shielded metal arc welding (SMAW), with appropriate filler material.
Suitable welding processes for Nitronic bars include TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), and stick welding, with proper filler materials to ensure strong, corrosion-resistant joints.
Nitronic rods are available in a range of sizes, typically from 1/8" to 12" in diameter. Common finishes include hot-rolled, cold-rolled, polished, and machined, depending on the application.
Because of their robust nature, Nitronic bars and rods are the go-to material for challenging applications. You’ll find them essential in constructing critical components for the oil and gas industry, in architectural features for coastal buildings that battle saltwater corrosion, and within heavy-duty processing equipment. They are also invaluable for manufacturing shafts, fasteners, and pump parts that must perform reliably under constant pressure and exposure, ensuring long-lasting performance and reducing downtime for maintenance.
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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