Chuck Metals is a reliable manufacturer and supplier of Nitinol Shape Memory Bars based in Singapore, Pulau Ujong. They’re known for delivering top-notch nickel–titanium alloy products that stand out for their unique shape memory and superelastic properties. Nitinol is highly sought after in industries that need high-performance materials capable of returning to their original shape after being deformed, especially when exposed to a specific temperature. Chuck Metals is committed to precise manufacturing, strict compliance with international standards, and dependable supply for various sectors, including medical, aerospace, robotics, and engineering innovations.
Typically, Nitinol consists of about 55% nickel and 45% titanium, with the exact ratios adjusted to achieve the desired transformation temperature. This specific composition gives rise to its remarkable shape memory effect, superelasticity, high corrosion resistance, and outstanding fatigue performance. On the mechanical side, it boasts tensile strengths that exceed 1000 MPa and can endure significant reversible strain without any permanent deformation, making it perfect for demanding applications.
| 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.
These bars find extensive use in medical implants, orthodontic archwires, actuators, aerospace couplings, and robotic mechanisms. The ability to precisely recover shape, along with its durability and biocompatibility, makes Nitinol Shape Memory Bars an essential material in cutting-edge engineering and medical technology solutions.






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