Semih Metals, a reputable manufacturer and supplier located in Istanbul, Turkey, specializes in high-quality Nitinol Shape Memory Bars that cater to a wide range of industrial and engineering needs. With years of experience and a dedication to excellence, Semih Metals guarantees precision manufacturing, dependable supply, and rigorous quality standards. Nitinol Shape Memory Bars are celebrated for their remarkable ability to revert to their original shape after being deformed, making them essential for advanced applications. By blending innovation with a customer-centric approach, Semih Metals provides top-notch Nitinol products that fulfill the stringent demands of global industries, including medical, aerospace, automotive, and industrial sectors.
These Nitinol Shape Memory Bars are primarily made up of nickel and titanium, with nickel content varying between 54–57% and the remainder being titanium. This distinctive alloy showcases impressive shape memory and superelastic characteristics. Mechanically, Nitinol boasts high strength, excellent fatigue resistance, and the capacity to endure significant strains without permanent deformation. Its transition temperature can be customized by tweaking the nickel-titanium ratio, making it incredibly versatile for specific applications. Moreover, it offers corrosion resistance, biocompatibility, and dependable performance under cyclic loading, making it ideal for demanding and precision-driven engineering and medical environments.
| 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 industries where precision, flexibility, and reliability are paramount. In the medical sector, they are utilized in surgical instruments, orthodontic devices, and implants due to their biocompatibility and shape recovery capabilities. The aerospace and automotive industries employ them for actuators, couplings, and components that require adaptive performance. In robotics and automation, they are used in micro-actuators and sensors. Industrial applications include connectors, valves, and safety devices. Their unique blend of shape memory and durability makes Nitinol an invaluable material across various fields.






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