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Nitinol Grade 1 (Superelastic NiTi) Manufacturer & Supplier in India

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Nickel-Titanium (Nitinol Grade 1) is a superelastic alloy which is widely used in the medical field, in orthodontic applications, and in precision engineering applications. Sachin Steel provides and produces Nitinol Grade 1 wire, rod, tube and custom shapes to meet the special component needs. This near-equiatomic alloy is manufactured to ASTM F2063 and provides shape recovery and versatility in extreme applications. Based on the application requirements, the buyers can indicate the required diameters of the wires, the dimensions of the tubes, the surface finish and the condition of the materials. Sachin Steel’s Material Traceability is facilitated by Mill Test Certificates (MTC) and quality documentation, enabling engineers to ensure material specifications. Sachin Steel is a trusted manufacturer and supplier of Nitinol Grade 1 in India and can be gifted with customization orders.

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Table Of Content

Technical Data

Specifications of Nitinol Grade 1

Feature / Attribute

Standard Specification & Details

Material Designation

Nitinol Grade 1 / UNS N01555 / NiTi #1 / Nitinol-1

Standard Specifications

ASTM F2063-18, ASME SF2063, ASTM F2004, ASTM F2082

Product Forms

Wire (Round & Flat Ribbon), Rod / Bar, Seamless Tubing

Size / Diameter Range

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

Delivery States / Temper

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

Surface Finish Options

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

Quality Certification & Testing

ISO 9001:2015 Certified, EN 10204 3.1 / 3.2 Mill Test Certificates provided

Chemical Compositions of Nitinol Grade 1

Element

Nominal / Specification Limit

Nickel (Ni)

55.75% ± 1.25% (≈ 54.5% to 57.0%)

Titanium (Ti)

Balance (Remainder)

Carbon (C)

≤ 0.05% max

Cobalt (Co)

≤ 0.05% max

Copper (Cu)

≤ 0.01% max

Chromium (Cr)

≤ 0.01% max

Hydrogen (H)

≤ 0.005% max

Iron (Fe)

≤ 0.05% max

Niobium (Nb)

≤ 0.025% max

Nitrogen + Oxygen (N+O)

≤ 0.05% max

Trace Elements (Each)

≤ 0.10% max

Trace Elements (Total)

≤ 0.25% max

Nitinol Grade 1 Mechanical Properties

Mechanical Property

Superelastic (Tested at 22°C)

Superelastic (Tested at 37°C)

Cold-Worked (As-Drawn)

Ultimate Tensile Strength (UTS)

≥ 1241 MPa (180 ksi)

≥ 1241 MPa (180 ksi)

≥ 1379 MPa (200 ksi)

Elongation at Break

> 10%

> 10%

> 4%

Upper Plateau Stress

> 483 MPa (> 70 ksi)

> 552 MPa (> 80 ksi)

—

Lower Plateau Stress

> 138 MPa (> 20 ksi)

> 207 MPa (> 30 ksi)

—

Permanent Set (after 8% strain)

< 0.5%

< 0.5%

N/A

Physical Properties of Nitinol Grade 1

Property

Metric Value

Imperial Value

Density

6.45 g/cm³

0.234 lb/in³

Melting Point

1300°C – 1310°C

2370°F – 2390°F

Specific Heat Capacity

0.32 J/g·°C

0.077 cal/g·°C

Thermal Conductivity

10.0 W/m·K

5.78 Btu/hr·ft·°F

Electrical Resistivity

76 – 82 µΩ·cm

—

Latent Heat of Transformation

5.78 cal/g

10.4 Btu/lb

Equivalent Standards of Nitinol Grade 1

Designation Type

Cross-Reference Standard / Trade Name

UNS Number

UNS N01555

Primary Specification

ASTM F2063 (Wrought Ni-Ti Alloys for Surgical Implants)

Thermal Test Standard

ASTM F2004 / ASTM F2082

Fort Wayne Metals Equivalent

NiTi #1

Prince & Izant Equivalent

Nitinol-1

Temperature Rating Chart of Nitinol Grade 1

Transformation Property

Specification Range

Test Standard

Ingot As (Austenite Start)

−35°C to −10°C (−31°F to 14°F)

ASTM F2004 (DSC)

Active Af (Austenite Finish)

10°C to 18°C (50°F to 64°F)

ASTM F2082 (Bend & Free Recovery)

Full Operating Range

−200°C to +110°C

Differential Scanning Calorimetry

Hysteresis

30°C to 50°C

—

Applications and Industrial Uses of Nitinol Grade 1

  • Endovascular Stents
  • Orthodontic Archwires
  • Guidewires for Medical Devices
  • Vascular Filters
  • Surgical Instruments
  • Biopsy Needles
  • Actuators and Micro-Actuators
  • Aerospace Precision Components
Application Industries

Frequently Asked Questions

Nitinol Grade 1 is a near-equiatomic nickel-titanium shape memory alloy known for superelasticity and shape recovery.

It mainly contains nickel and titanium, with nickel typically specified at 54.5-57.0% under ASTM F2063, with the balance primarily titanium.

Yes. Nitinol Grade 1 is commonly identified with UNS N01555 for the binary nickel-titanium alloy.

Grade 1 is the base binary NiTi composition (54.5–57.0% Ni). Grade 2 adds a controlled chromium dopant to raise the upper plateau stress above 520 MPa for higher-force applications.

Yes. ASTM F2063 covers wrought nickel-titanium alloys used for medical devices and surgical implants, subject to the required specifications and testing.

Yes. Its superelasticity and shape-memory properties make Nitinol suitable for orthodontic archwires and related dental applications.

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