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Nitinol Products

Nitinol products are made from nickel titanium alloy and are valued for their shape memory effect, superelasticity, corrosion resistance, flexibility, fatigue resistance and high recoverable strain. Depending on composition and thermomechanical processing, Nitinol can be supplied for applications that require controlled shape recovery, elastic deformation, thermal actuation or repeated movement. Our Nitinol product range includes Nitinol wire, sheet, plate, tube, rod, bar, spring and coil forms for precision engineering, medical, automation, aerospace and industrial applications. Sachin Steel Centre supplies Nitinol products in different product forms, sizes, surface conditions and performance requirements for customers in India and international markets. Product selection can be matched to the required transformation temperature, mechanical performance, dimensions and application.

Technical Data

Nitinol Material Specifications

Specification

Nitinol Product Requirement

Material

Nickel Titanium Alloy

Nickel Content

Typically 54.5 to 57.0 weight percent for ASTM F2063 material

Titanium

Balance

Product Forms

Wire, sheet, plate, tube, rod, bar, spring and coil

Functional Conditions

Shape memory or superelastic

Transformation Temperature

Application specific

Surface Condition

As supplied, oxidised, descaled, pickled, blasted, machined, ground, mechanically polished or electropolished depending on product and specification

Dimensional Requirement

Application-specific

Mechanical Testing

According to applicable product specification and material condition

Transformation Testing

Calorimetry or equivalent thermomechanical testing where required

Quality Documentation

Material and test documentation according to purchase requirement

Nitinol Chemical Composition

Element

Typical Requirement for ASTM F2063 Material

Nickel

54.5 to 57.0 weight percent

Titanium

Balance

Other Intentional Alloy Additions

None for the material covered by ASTM F2063

Carbon

Controlled according to applicable specification

Oxygen

Controlled according to applicable specification

Nitrogen

Controlled according to applicable specification

Hydrogen

Controlled according to applicable specification

Mechanical Properties of Nitinol Products

Mechanical Property

Typical Consideration

Tensile Strength

Dependent on product condition and processing

Yield or Transformation Stress

Dependent on alloy condition and operating temperature

Elongation

Dependent on product form and processing

Recoverable Strain

Particularly important for superelastic applications

Elastic Modulus

Changes between martensitic and austenitic states

Fatigue Resistance

Important for components exposed to repeated deformation

Transformation Temperature

Critical for shape memory and superelastic performance

Permanent Set

Important when repeated recoverable deformation is required

Nitinol Products

Nitinol is available in several product forms because different applications require different combinations of flexibility, strength, geometry and shape recovery. The right product depends on the intended use, required dimensions, transformation temperature and processing condition.

Nitinol Product

Available Form

Main Characteristics

Typical Applications

Nitinol Wire

Round wire

High flexibility, superelasticity and shape recovery

Medical devices, actuators, sensors, orthodontic components

Nitinol Sheet

Flat rolled sheet

Formability, controlled thickness and shape memory response

Medical components, actuators, precision parts

Nitinol Plate

Flat plate

Higher section thickness and structural strength

Engineering components, tooling and precision assemblies

Nitinol Tube

Seamless tube

Flexibility, recoverable deformation and controlled geometry

Medical devices, guide components and precision assemblies

Nitinol Rod

Round rod

Strength and dimensional stability

Actuators, mechanical components and precision parts

Nitinol Bar

Bar stock

Machinability and structural support

Industrial components and custom manufactured parts

Nitinol Spring

Coiled component

Shape recovery and controlled force response

Actuators, medical devices, sensors and robotics

Nitinol Coil

Coiled wire form

Elastic response and compact geometry

Medical, automation and precision engineering applications

Nitinol Transformation Temperature

Transformation temperature is one of the most important specifications when buying Nitinol products. The material changes between its martensitic and austenitic states over a transformation range. Important temperature points can include martensite start, martensite finish, austenite start and austenite finish. Austenite finish temperature, commonly written as Af, is particularly important when selecting Nitinol for a specific application.

Transformation Parameter

Meaning

Ms

Martensite start temperature

Mf

Martensite finish temperature

As

Austenite start temperature

Af

Austenite finish temperature

Transformation Range

Temperature interval over which phase transformation occurs

Af Selection

Should be matched with the intended operating and activation conditions

Nitinol Product Forms and Their Uses

Different Nitinol products are selected according to geometry, deformation requirements and manufacturing process.

Product

Why It Is Selected

Common Uses

Nitinol Wire

Fine diameter and high flexibility

Guide components, orthodontic products, sensors and actuators

Nitinol Sheet

Flat geometry and controlled thickness

Medical components, flexible mechanisms and precision parts

Nitinol Plate

Greater section thickness

Machined components and engineering assemblies

Nitinol Tube

Hollow geometry and flexibility

Medical and precision applications

Nitinol Rod

Solid round section

Actuators and machined components

Nitinol Bar

Starting stock for fabrication

Industrial and precision components

Nitinol Spring

Controlled force and shape recovery

Actuators, mechanisms and medical devices

Nitinol Coil

Compact flexible geometry

Sensors, mechanisms and specialised components

Important Nitinol Manufacturing Parameters

Manufacturing Parameter

Why It Matters

Melting

Controls alloy chemistry and metallurgical cleanliness

Hot Working

Produces the required intermediate product form

Cold Working

Controls dimensions, strength and work hardening

Annealing

Influences microstructure and mechanical behaviour

Heat Treatment

Used to develop required transformation behaviour and shape setting

Shape Setting

Used when a component must retain a programmed geometry

Surface Treatment

Controls surface condition for the intended application

Final Inspection

Confirms dimensional and material requirements

Custom Nitinol products can be specified according to product form, diameter or thickness, length, surface finish, transformation temperature and application requirement.

Nitinol Surface Finishes

Surface condition is particularly important for precision and medical applications. The appropriate finish depends on the final use and manufacturing process.

Surface Finish

Description

Typical Consideration

As Processed

Original manufacturing surface

General industrial applications

Oxidized

Controlled oxide surface

Applications where an oxide condition is acceptable

Pickled

Chemical surface cleaning

Removal of surface oxide and contaminants

Ground

Abrasive surface finishing

Dimensional and surface control

Mechanically Polished

Smoother finished surface

Precision applications

Electropolished

Electrochemical surface treatment

High cleanliness and specialised applications

Applications of Nitinol Products

Nitinol is also used outside medical applications where controlled movement, recoverable deformation or thermal actuation is required.

  • Aerospace
  • Robotics
  • Automation
  • Electronics
  • Automotive
  • Engineering
  • Consumer Products
  • Research and Development
Application Industries

Related Nitinol Products

Explore the dedicated product pages for detailed information about individual Nitinol products, Nitinol Wires, Nitinol Springs and Nitinol Products.

Request a Quote for Nitinol Products

Share your required Nitinol product form, dimensions, quantity, transformation temperature, surface finish, applicable specification and application with our team. Whether you require Nitinol wire, sheet, plate, tube, rod, bar, spring or coil, providing these details helps us identify the appropriate product condition for your requirement.

Frequently Asked Questions About Nitinol Products

Nitinol products are products manufactured from nickel titanium alloy and supplied in forms such as wire, sheet, plate, tube, rod, bar, spring and coil. They are selected for characteristics such as shape memory, superelasticity, corrosion resistance and recoverable deformation.

Nitinol is used for medical devices, actuators, sensors, robotics, aerospace components, orthodontic components, precision mechanisms and other applications where shape recovery or superelastic behaviour is required.

Shape memory Nitinol is selected when a component needs to recover a programmed shape after heating through its transformation range. Superelastic Nitinol is selected when the component needs to undergo substantial recoverable deformation under suitable operating conditions.

Nitinol is primarily a nickel titanium alloy. ASTM F2063 26 covers wrought nickel titanium material with nominally 54.5 to 57.0 weight per cent nickel, with titanium forming the balance for the material within its scope.

ASTM F2063 is a specification for wrought nickel titanium shape memory alloys used in medical devices and surgical implants. The current active edition is ASTM F2063 26. It covers products including bars, flat-rolled products and tubing within the scope of the specification.

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