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Superelastic Nitinol Rope

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Superelastic Nitinol Rope is crafted by braiding advanced Nitinol shape-memory alloy wires. It masterfully incorporates the alloy's unique shape memory effect and superelasticity into a flexible, robust, and linear form. Heeger Materials is a professional supplier and manufacturer of high-quality shape-memory alloy products, offering customized solutions and competitive prices.

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Data sheet

Diameter0.15-1.20 mm, or customized
MaterialsNiTi, NiTiNb, NiTiCu, NiTiFe, NiTiCo, NiTiV, NiTiPb, or customized
StandardASTM F2063

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Superelastic Nitinol Rope is made by braiding two or more NiTi shape memory alloy wires into a flexible, robust, and linear form. It exhibits a unique shape memory effect and superelasticity, offering groundbreaking solutions for innovative designs across various industries. The Nitinol Rope can be customized in transformation temperature, diameter, and braiding pattern according to specific requirements. Available in a range of sizes and grades, HM's Nitinol Ropes meet the highest standards of quality and reliability for demanding applications.

Superelastic Nitinol Rope

  • Working temperature: -40℃-100℃
  • Surface State: Black surface oxidation state, or light oxidation state (golden to brown)

Superelastic Nitinol Rope Chemical Composition

Element

Content (wt%)

Ni

54.5-57.0

C

≤0.050

Co

≤0.050

Cu

≤0.010

Cr

≤0.010

H

≤0.005

Fe

≤0.050

Nb

≤0.025

N+O

≤0.050

Ti

Balance

Superelastic Nitinol Rope Mechanical Properties

Property

Unit

Value

Description

Upper Plateau Stress 

MPa

>350

Stress level at the upper plateau of deformation

Tensile Strength

MPa

>1000

Maximum stress before fracture

Elongation 

%

>10

Ductility measure under tensile load

Residual Strain 

%

<0.5

Permanent deformation after unloading

Austenite Finish Temperature (Af)

°C

-10 ~ 20

The temperature range in which the austenite transformation completes

Superelastic Nitinol Rope Diameter Tolerances

Structure

Diameter Range (mm)

Diameter Tolerance (mm)

 Superelastic Nitinol Rope Diameter Diagram

1*2

0.15-0.30

+0.03/-0

 Superelastic Nitinol Rope Diameter Diagram

1*3

0.20-0.45

+0.03/-0

0.45-0.60

+0.06/-0

 Superelastic Nitinol Rope Diameter Diagram

1*7

0.18-0.45

+0.03/-0

0.45-0.70

+0.06/-0

0.70-1.20

+0.10/-0

Superelastic Nitinol Rope Key Features

  • Shape Memory Effect: Capable of returning to a pre-defined shape upon heating, after being significantly deformed. This enables repeatable actuation and motion.
  • Superelasticity: Exhibits an exceptionally large elastic strain range (up to 8%), far surpassing conventional metals, without permanent deformation. It offers outstanding fatigue resistance.
  • High Power-to-Weight Ratio: Delivers significant actuation force in a compact and lightweight form, making it ideal for miniaturized drives and lightweight designs.
  • Biocompatibility & Corrosion Resistance: Excellent biocompatibility and superior corrosion resistance ensure reliable performance in harsh environments and medical applications.

Superelastic Nitinol Rope Applications

  • Aerospace: Deployable structures, flexible actuators for spacecraft.
  • Robotics: Serves as artificial muscles for lightweight and agile biomimetic robotic joints.
  • Medical Devices: Used in minimally invasive surgical instruments, orthopedic wires, and dental archwires.
  • Industrial Applications: Smart fasteners, damping components, and high-temperature sealing elements.
  • Consumer Electronics & Smart Wearables: Adaptive wearable devices, morphing antennas.

Superelastic Nitinol Rope Packaging

Superelastic Nitinol Rope will be packaged in custom foam inserts within sturdy wooden crates. This multi-layer protection ensures the ingots are shielded from impacts, vibrations, and environmental changes, enabling them to arrive safely in optimal conditions.

Superelastic Nitinol Rope Packing

Where to Buy Superelastic Nitinol Rope in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Titanium products, including Superelastic Nitinol Rope, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We are a specialized supplier of premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.

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