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Nitinol Tube ASTM F2063 VIM-VAR Alloy Hypotube with Ultra-Low Inclusion for Neurovascular Minimally Invasive Devices
Nitinol Tube ASTM F2063 VIM-VAR Alloy Hypotube with Ultra-Low Inclusion for Neurovascular Minimally Invasive Devices
Specifications
Model Number :
nitinol
Lead Time :
7-20 days
Place of Origin :
Jiangsu, China
surface :
bright surface
Payment Terms :
T/T, Western Union
application :
medical use application
Delivery Time :
2-30days
Capacity :
500000pcs per month
MOQ :
1meter
Brand Name :
niktech
moq :
1meter
Certification :
ISO 9001:2008
Series :
niti alloy
Supply Ability :
20000pcs per week
shape memory :
shape memory alloy
Packaging Details :
box
Packing :
neutral packing
Price :
Negotiatable
Description

Nitinol Tube ASTM F2063 VIM-VAR Alloy Hypotube with Ultra-Low Inclusion for Neurovascular Minimally Invasive Devices

1.Product Description

Forged through vacuum induction melting paired with vacuum arc remelting and multi-pass precision cold drawing, this medical-grade nitinol tube adheres rigidly to ASTM F2063 chemical thresholds to eliminate harmful trace impurities that trigger tissue irritation. The alloy balances room-temperature superelasticity and thermal-triggered shape memory, delivering recoverable strain up to 8% with minimal permanent deformation after millions of cyclic bending cycles. Electropolished seamless inner and outer surfaces cut fluid friction and form a stable passive titanium oxide barrier against bodily fluid corrosion. Customizable transformation temperatures, micro thin-wall tolerances and concentricity control support micro hypotube catheter frames and large structural tubing for aerospace actuation, serving precision engineering projects across North America, Europe, Southeast Asia and the Middle East.

2.Full Calibrated Parameter Table

Test Category Standard Spec Value Supplementary Industry Remarks
Chemical Composition (wt%) Ni: 54.5–57.0, Ti: Balance; C ≤0.005, Fe ≤0.025, O+N ≤0.05, H ≤0.002, Co/Cu/Cr ≤0.005 VIM-VAR medical clean melt grade
Ultimate Tensile Strength ≥1070 MPa (155 ksi) Annealed delivery state
Minimum Fracture Elongation ≥10% Room temperature tensile testing
Max Permanent Set after 6% Strain ≤0.3% Critical for long-term implant stability
Recoverable Superelastic Strain 6–8% Room-temperature superelastic variant
Austenite Finish Temp (Af) -10℃ ~ +15℃ Custom heat treatment for tailored transformation
Alloy Density 6.5 g/cm³ Core physical density of NiTi alloy
Melting Temperature 1310 ℃ High thermal stability for aerospace use
Standard Outer Diameter Range 0.15mm – 12mm Micro hypotube to structural tubing
Standard Wall Thickness 0.02mm – 1.0mm Tolerance ±0.005mm for precision machining
Mandatory Executive Standards ASTM F2063, ISO 10993, ISO 13485 Biomedical & aerospace global regulatory benchmarks
Available Surface Finishes Electropolished, Passivated, Bright Drawn Low-friction biocompatible surfaces

3. Advantage

  1. VIM-VAR dual vacuum melting production drastically reduces internal inclusions, boosting 100+ million cycle bending fatigue resistance for long-term implant use
  2. Seamless drawn forming eliminates welding seams, lowering fluid shear friction inside catheter and stent delivery systems
  3. ISO 10993 biocompatibility verified, passive titanium oxide film blocks nickel ion leaching to reduce human tissue inflammation risk
  4. Tunable phase transition temperatures via controlled heat treatment, matching human body temperature and aerospace extreme thermal fluctuation conditions
  5. Ultra-tight wall thickness & concentricity tolerances, compatible with laser cutting, laser welding and shapesetting cleanroom post-processing
  6. Multiple polished surface treatments to fit cardiovascular, orthopedic, endoscopic and aerospace actuator assembly workflows

4. Application

This precision nitinol tube acts as the foundational raw tubing for Class II & III permanent and temporary implantable medical hardware, including self-expanding vascular stents, neuro interventional hypotubes, transcatheter valve frames, orthodontic shaping components and endoscopic catheter shafts. Beyond clinical sectors, it serves lightweight aerospace thermal actuators, miniature thermal sensing pipelines and industrial shape-memory drive structures. Medical device R&D labs, interventional surgery equipment developers and aerospace precision engineering facilities across global regions rely on this alloy tubing for minimally invasive clinical treatment and lightweight mechanical assembly.

5. FAQ

Q1: What metallurgical process separates medical-grade nitinol tube from industrial nickel-titanium tubing?
A: Medical variants adopt VIM-VAR double vacuum melting to strictly limit trace impurity content and meet ASTM F2063 & ISO 10993 biocompatibility standards, while industrial nitinol tubing relaxes chemical control without biocompatibility validation.
Q2: Can nitinol tube restore its original geometry after repeated bending deformation?
A: Room-temperature superelastic grades fully recover shape after up to 8% strain with negligible permanent set; shape memory variants revert to pre-programmed dimensions once heated above customized Af transformation temperature.
Q3: Can outer diameter, wall thickness and transformation temperature be modified per custom design drawings?
A: All dimensional parameters and phase transition temperatures can be precisely adjusted to match exclusive stent, catheter or aerospace component structural blueprints.
Q4: Does electropolished nitinol tube resist corrosion inside human blood and saline environments?
A: The nano-thick passive titanium oxide layer formed on electropolished surfaces delivers consistent corrosion resistance against bodily fluids for multi-year implant service cycles.
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Nitinol Tube ASTM F2063 VIM-VAR Alloy Hypotube with Ultra-Low Inclusion for Neurovascular Minimally Invasive Devices

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Product Detail
Model Number :
nitinol
Lead Time :
7-20 days
Place of Origin :
Jiangsu, China
surface :
bright surface
Payment Terms :
T/T, Western Union
application :
medical use application
Contact Supplier
Nitinol Tube ASTM F2063 VIM-VAR Alloy Hypotube with Ultra-Low Inclusion for Neurovascular Minimally Invasive Devices

Wuxi Nickel New Material Co., Ltd

Verified Supplier
2 Years
jiangsu, wuxi
Since 2002
Business Type :
Manufacturer
Main Products :
Monel Alloy, Inconel Alloy, Resistance Alloy
Total Annual :
20000000-80000000
Employee Number :
50~500
Certification Level :
Verified Supplier
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