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{"title":"Resistance Bright Pure Nickel Strip for Carton And Wooden Pallet Packaging","imgUrl":"https:\/\/img.chinax.com\/nimg\/3d\/40\/3ac0c250a5142e0ae0088ccc37a6-200x200-1\/resistance_bright_pure_nickel_strip_for_carton_and_wooden_pallet_packaging.jpg","attrs":{"Brand Name":"Tankii","Model Number":"Ni200","Place of Origin":"Jiangsu","Certification":"ISO9001"}}
{"title":"Bright Smooth Nickel Strip with Resistance 0.008-5mm Min 99.6% Nickel","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/9d\/9ca81e0859f9328500eeffeab5bd-200x200-1\/bright_smooth_nickel_strip_with_resistance_0_008_5mm_min_99_6_25_nickel.jpg","attrs":{"Brand Name":"Tankii","Model Number":"Ni200","Place of Origin":"Jiangsu","Certification":"ISO9001"}}
{"title":"Smooth Surface Pure Nickel Bar Carton And Wooden Pallet Resistance 99.6% Pure","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/9d\/9ca81e0859f9328500eeffeab5bd-200x200-1\/smooth_surface_pure_nickel_bar_carton_and_wooden_pallet_resistance_99_6_25_pure_nickel.jpg","attrs":{"Brand Name":"Tankii","Model Number":"Ni200","Place of Origin":"Jiangsu","Certification":"ISO9001"}}
{"title":"Customized Smooth Pure Nickel Bar \/ Pure Nickel Strip In Various Forms And","imgUrl":"https:\/\/img.chinax.com\/nimg\/b8\/9f\/6b8cad9ee39ffc4378df99d8353d-200x200-1\/customized_smooth_pure_nickel_bar_2f_pure_nickel_strip_in_various_forms_and_thicknesses.jpg","attrs":{"Brand Name":"Tankii","Model Number":"Ni200","Place of Origin":"Jiangsu","Certification":"ISO9001"}}
Nickel titanium wire, also known as nickel titanium shape memory alloy wire, is a new type of material that combines the two unique functions of "shape memory" and "superelasticity". Its core component is approximately 55.4% to 57% nickel, with the remainder being titanium.
Its magic mainly stems from its unique physical properties:
Shape memory effect: It can deform freely at lower temperatures and automatically return to its original shape when heated to a specific temperature (phase transition temperature). The temperature range for phase transition is very wide, and can be customized from -20 ℃ to 100 ℃.
Superelasticity (pseudo elasticity): At room temperature, it has an elastic limit far beyond that of ordinary metals, and can instantly recover even after withstanding large deformations. For example, its recoverable expansion rate can reach over 20%, fatigue life can reach 10 times, and damping characteristics are 10 times higher than ordinary springs
Common Names and Grades
Grade
Name
Main Characteristics
NiTi
Nickel Titanium Alloy
General purpose nickel-titanium alloy
Nitinol
Nickel Titanium Naval Ordnance Laboratory
Common commercial name for nickel-titanium shape memory alloys
Superelastic NiTi
Superelastic NiTi
Superelastic nickel-titanium wire with high elastic recovery at room temperature
Shape Memory NiTi
Shape Memory NiTi
Shape memory nickel-titanium wire that returns to its original shape after heating
Medical Grade NiTi
Medical Grade NiTi
Nitinol nickel-titanium wire for medical devices
Actuator Grade NiTi
Actuator Grade NiTi
Nickel-titanium wire for actuators/drivers
Generally, we calculate the unit price based on the diameter, phase transition temperature (Af), surface condition, usage condition, and standard/application provided by the customer.
Main Chemical Content
Chemical
Content
Ni
54.5~57 wt%
Ti
Bal.
Key Parameter: Austenite Finish Temperature (Af)
The most commonly used parameter in purchasing and applications is the Af temperature (Austenite finish temperature).
Simple explanation:
Af below room temperature: The material usually shows superelastic behavior at room temperature.
Af above room temperature: The material is easier to deform at room temperature and recovers its shape after heating, showing shape memory behavior.
Common Af Temperature Ranges
Type
Af Temperature
Typical Applications
Superelastic type
Approx. -20°C to +20°C
Medical stents, eyeglass frames, elastic components
Low-temperature shape memory type
30°C-45°C
Temperature-control springs, toys, demonstration materials
Medium-temperature shape memory type
45°C-70°C
Actuators, switches, automatic reset structures
High-temperature shape memory type
70°C-100°C or higher
Special industrial temperature-control components
Main Features of Nickel Titanium Wire
Shape Memory Effect
Nickel titanium wire can be stretched or bent at a lower temperature, and then return to its preset shape when heated.
Superelasticity
Some nickel titanium wires can undergo large deformation at room temperature and then recover automatically.
Good Corrosion Resistance
Nickel titanium alloy forms a stable titanium oxide film on its surface, giving it good corrosion resistance, especially in medical and humid environments.
Good Biocompatibility
Medical-grade nickel titanium wire is widely used in implantable and interventional medical devices, such as:
Vascular stents
Orthodontic wires
Guide wires
Orthopedic fixation components
For medical applications, the material must meet relevant standards and certification requirements. Ordinary industrial-grade material should not be used as a substitute.
Relatively High Electrical Resistivity and Joule Heating Capability
Nickel titanium wire can be heated by electric current to reach its transformation temperature and generate mechanical movement. Therefore, it can also be used as a simple electrothermal actuator.
Applications of Nickel Titanium Wire
Medical devices
Dental orthodontics
Eyeglass industry
Industrial temperature control
Robotics and smart materials
Aerospace
Electronics and electrical appliances
Teaching and experiments
Product Images
Flat wire :
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
1981
Total Annual:
8000000-100000000
Employee Number:
90~100
Ecer Certification:
Verified Supplier
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb... Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb...