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Nitinol Wires Manufacturer and Supplier in India

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Nitinol Wires

Nitinol Wires made from Nickel-Titanium alloy having superior superelasticity, shape memory, fatigue resistance, corrosion resistance, and biocompatibility are referred to as nitinol wires. They are produced according to standards set out in ASTM F2063 and are designed for application in medical and precision devices. These wires come in different diameters and surfaces, and can be provided in a range of transformation temperatures which can be varied according to particular requirements. This material is commonly used in medical uses involving surgical guidewires, arthroscopy loop wires, endoscopic and other minimally invasive instruments. Nitinol wires can be designed to be superelastic at body temperature or shape memory at specific temperatures. Sachin Steels is a reliable manufacturer and supplier of Nitinol Wires in India who create precision engineered wires as per customer drawings and application requirements.

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Table Of Content

Technical Data​

Specifications of Nitinol Wires

Feature / Attribute

Standard Specification

Standard Specifications

ASTM F2063-18, ASME SF2063, UNS N01555

Diameter Range

0.025 mm to 6.0 mm (Custom sizes available upon request)

Chemical Composition

Nickel: 54.5 wt% – 57.0 wt%; Titanium: Balance

Surface Finish Options

Black Oxide, Pickled (Amber/Bright Light Oxide), Etched, Centerless Ground, Polished

Delivery States

Superelastic (Cold Worked & Light Heat Treated), Annealed, Shape Memory Heat-Set

Quality Certification

ISO 9001:2015 Certified, EN 10204 3.1 Mill Test Certificates provided

Chemical Compositions of Nitinol Wires

Grade

Ni %

Ti %

Fe %

C %

O %

N %

H %

Co %

Cr %

Nb %

Nitinol (ASTM F2063)

54.5 – 57.0

Remainder

≤ 0.050

≤ 0.040

≤ 0.050

≤ 0.005

≤ 0.005

≤ 0.010

≤ 0.010

≤ 0.010

Nitinol Wires Mechanical Properties

Element

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

Nitinol Wire

960

218

17

Equivalent Grades of Nitinol Wires

Grade

UNS

ASTM

Nitinol

N01555

ASTM F2063-12

Physical Properties of Nitinol Wires

Physical Property

Metric Units

Imperial Units

Density

6.45 g/cm³

0.233 lb/in³

Melting Point

~1310°C

~2390°F

Electrical Resistivity

~82 μΩ·cm

~32.3 μΩ·in

Thermal Conductivity

18 W/m·K

10.4 Btu/hr·ft·°F

Specific Heat Capacity

0.32 J/g·°C

0.076 Btu/lb·°F

Latent Heat of Transformation

~24.2 J/g

~10.4 Btu/lb

Magnetic Susceptibility

3.8 × 10⁻⁶ emu/g

3.8 × 10⁻⁶ emu/g

Diameter Tolerance of Nitinol Wires

Diameter Band (mm)

Standard Tolerance (mm)

Precision Medical Tolerance (mm)

0.025 to 0.100

± 0.005 mm

± 0.002 mm

> 0.100 to 0.500

± 0.010 mm

± 0.005 mm

> 0.500 to 1.500

± 0.025 mm

± 0.010 mm

> 1.500 to 3.000

± 0.050 mm

± 0.020 mm

> 3.000 to 6.000

± 0.100 mm

± 0.040 mm

Different Types of Nitinol Wires

Nitinol Shape Memory Flat Wire

Nitinol Shape Memory Flat Wire

Nitinol Shape Memory Forged Blocks

Nitinol Shape Memory Forged Blocks

Nitinol Shape Memory Round Wire

Nitinol Shape Memory Round Wire

Nitinol Shape Memory Wire

Nitinol Shape Memory Wire

Applications of Nitinol Wires

  • Medical Guidewires
  • Surgical Instruments
  • Arthroscopy Devices
  • Endoscopic Instruments
  • Orthodontic Devices
  • Vascular Stents
  • Actuators and Sensors
  • Aerospace Components
Application Industries

Frequently Asked Questions

Nitinol wire is a nickel-titanium alloy wire known for its shape memory, superelasticity, flexibility, and fatigue resistance.

Nitinol wire is used in medical devices, surgical guidewires, stents, orthodontic devices, endoscopic instruments, and precision actuators.

Superelastic Nitinol returns to its original shape after deformation, while shape memory Nitinol returns to its preset shape when heated above its transformation temperature.

Nitinol wire works through a reversible phase transformation between martensite and austenite, enabling shape recovery and superelastic behavior.

The shape memory effect allows Nitinol wire to recover its pre-programmed shape when heated through its transformation temperature.

Yes, Nitinol wire is widely used for medical applications because of its flexibility, superelasticity, fatigue resistance, and biocompatibility when manufactured to appropriate medical-grade requirements.

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