Nitinol Shape Memory Seamless Tube
AF:-15℃ - 50℃
Size:OD:φ0.5-30mm WT:0.08-1mm L<3000mm
MOQ:5pcs
Samples:we willing supply the samplse for your test advance
Product Introduction
Nickel Titanium (Nitinol or NiTi) is a unique shape memory alloy (SMA) characterized by a thermoelastic martensitic phase transformation, which gives it extraordinary functional properties such as shape memory effect and superelasticity.
Nitinol alloys typically consist of:
Nickel (Ni): 55% – 56%
Titanium (Ti): 44% – 45%
Small variations in composition significantly affect transformation temperature and mechanical performance.
Product Specification
1. Product Type
Nitinol alloy tube / pipe
2. Standards
ASTM standard
ASTM F2603
3. Manufacturing Features
High precision machining
Deep hole processing capability
Seamless or welded structure
4. Size Range
Parameter | Specification |
Outside Diameter (OD) | 20 mm – max 300 mm |
Wall Thickness | ≥ 0.08 mm (machined) |
Length | ≤ 1000 mm (depends on OD & thickness) |
5. Surface Roughness (Ra)
Surface | Requirement |
Inner surface | ≤ 1.2 μm |
Outer surface | ≤ 0.6 μm |
Surface Condition Options
Black oxide surface
As-cleaned surface
Medical-grade polished surface
Centerless ground surface
Key Features
Functional Properties
Shape memory characteristics
Superelasticity
Temperature sensitivity (especially in oral/biological environments)
Mechanical Advantages
High corrosion resistance
Anti-toxicity / biocompatibility
Soft correction force
Excellent shock absorption
Typical Applications
Medical Applications
Surgical implants
Medical device tubing
Minimally invasive instruments
Industrial Applications
Fasteners
Seals
Precision connectors
Energy & Engineering Applications
Oil well logging components
Power systems
Automotive components
Marine corrosion-resistant parts
Chemical plant equipment
Material Behavior
Nitinol is a smart alloy that can:
Be plastically deformed at low temperature
Automatically recover its original shape when heated to a specific transformation temperature
This makes it ideal for applications requiring adaptive, flexible, and highly reliable mechanical performance.
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