Luois Metals, a reputable manufacturer and supplier located in Houston, USA, specializes in top-notch Nitinol Shape Memory Bars, designed for advanced applications that require precision, reliability, and a touch of innovation. Nitinol, a unique nickel-titanium alloy, is celebrated for its incredible shape memory effect, which allows it to revert to its original shape after being deformed when heated. Luois Metals is committed to upholding international standards, ensuring that their bars boast exceptional dimensional accuracy, durability, and consistency. These standout features make Nitinol Shape Memory Bars invaluable in fields like medical, aerospace, automotive, and industrial sectors, where performance and adaptability are key.
These bars are made up of approximately 55% nickel and 45% titanium, with a carefully calibrated balance to enhance their shape memory properties. This alloy is known for its impressive mechanical traits, including high strength, excellent toughness, and resistance to fatigue. Thanks to its shape memory effect, it can recover from significant deformation when heated, all while maintaining durability and stability under cyclic stress. Plus, Nitinol is highly resistant to corrosion and biocompatible, making it an ideal choice for medical applications, as well as adaptable for engineering and high-tech industries.
| 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.
Nitinol Shape Memory Bars find extensive use in medical devices like stents, guidewires, orthodontic archwires, and surgical instruments, thanks to their flexibility and biocompatibility. In aerospace and robotics, they play a crucial role in actuators, couplings, and adaptive mechanisms where precise motion control is vital. The automotive and industrial sectors also leverage these bars in smart systems, sensors, and components that require energy absorption and shape recovery. Luois Metals stands by its promise that their Nitinol Shape Memory Bars deliver unparalleled performance, innovation, and reliability, making them a go-to material for cutting-edge technologies around the globe.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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