Welcome to Maduka Metals, your trusted partner for advanced materials right here in Abuja. We take pride in being a leading manufacturer and supplier of the remarkable Nitinol Shape Memory Bar, bringing this cutting-edge technology directly to Nigerian industry and innovation. Our commitment is to provide local engineers, researchers, and medical professionals with reliable, high-quality materials that empower groundbreaking projects and drive progress within our community and beyond.
This unique bar is an alloy of nearly equal parts nickel and titanium, which gives it its signature “memory” characteristic. After being shaped, it can be seemingly deformed but will snap back to its original form when exposed to a specific heat threshold. This superelasticity is paired with impressive strength, excellent corrosion resistance, and exceptional fatigue performance, making it far more dynamic than conventional metals.
| Standards : | ASTM F2063, ASME SF2063 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| 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 | Ni | N+O | Fe | Co | C | Nb | Cr | Cu | H | Ti |
| Nitinol | 54.5 – 57.0 | 0.050 | 0.050 | 0.050 | 0.050 | 0.025 | 0.010 | 0.010 | 0.005 | Bal |
| Element | Density | Melting Point | Elongation |
| Nickel-titanium Alloy | 6.45 g/cm3 – 0.234 lb/in3 | Around 1310 °C. | 10 % |
| STANDARD | UNS |
| NiTi Alloys | N01555 |
Nitinol shape memory bars are used in industries such as medical devices, aerospace, automotive, robotics, consumer electronics, and actuators, thanks to their unique properties of flexibility, memory, and temperature sensitivity.
Nitinol shape memory bars offer benefits like high flexibility, corrosion resistance, lightweight, durability, and the ability to return to a predetermined shape when exposed to specific temperatures, enhancing performance in various applications.
Yes, Nitinol shape memory bars and rods are customizable. They can be tailored in terms of size, shape, alloy composition, and specific temperature transition properties to meet unique application requirements.
The applications for this intelligent material are truly transformative. In the medical field, it is essential for manufacturing life-changing devices like self-expanding stents and precise orthodontic archwires. Industrially, it’s used in sophisticated actuators, robust couplings, and safety thermal controls. For innovators and designers, it opens up possibilities for creating smart structures, responsive robotics, and aerospace components that can adapt to their environment, pushing the boundaries of what’s possible in engineering.






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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