Nitinol Round Wire Superelastic Strand for Orthodontic Archwire with Oral-Temperature Responsive Ultra-Smooth Polished High Cyclic Fatigue Resistance
Price:
Negotiatable
MOQ:
1meter
Delivery Time:
2-30days
Brand:
niktech
Product Description
Nitinol Round Wire Low-Force Superelastic Strand for Orthodontic Archwire & Root Canal Endodontic Files
1. Product Description
Refined via precise thermal-mechanical drawing and controlled heat treatment, this dental-specialized nitinol round wire meets strict ASTM F2063 chemical limits to guarantee oral biocompatibility without irritating gingival tissue. Customized 25–35℃ Af grades release consistent light orthodontic force triggered by oral temperature, cutting patient discomfort during tooth alignment cycles. Optimized micro diameter tolerances fit ultra-thin endodontic root canal files and standard orthodontic archwire dimensions, while uniform alloy grain structure extends service life through countless chewing and bending cycles. Matte and glossy dual surface options balance cost efficiency for mass orthodontic batches and low-friction polished surfaces for precision endodontic instruments supplied to dental manufacturers in Southeast Asia, Europe and North America.
2. Standard Parameter Table (Chemistry / Mechanical / Dimension / Executive Standard Calibrated)
| Classification | Standard Spec | Supplementary Medical Notes |
|---|---|---|
| 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 low-inclusion implant grade |
| Superelastic UTS (22°C Test) | 1000–1300 MPa | Graded S/C/D alloy codes |
| Minimum Elongation | ≥10% | Straightened SE delivery state |
| Upper Plateau Stress | 400–480 MPa | Stable gentle vascular force output |
| Permanent Set after 6% Strain | <0.5% | Avoid device loosening inside vessels |
| Custom Af Temperature Range | -30℃ ~ 70℃ | 10–30℃ grades optimized for human implantation |
| Diameter & Tolerance | 0.013–4.0mm; ±0.002~±0.02mm | Micro filaments to thick basket strands |
| Surface Finishes for Medical Use | Etched, bright polished, ultra-gloss ground | Passive TiO₂ anti-corrosion film |
| Compliance Standards | ASTM F2063-18, ASTM F2516-18, ISO 10993 | Full biocompatibility validation |
| Supply Format | Tangle-free spools, fixed cut lengths, compact coils | Cleanroom secondary processing friendly |
3.Advantage
- Oral-temperature responsive shape memory generates steady mild alignment force, reducing frequent orthodontic adjustment visits
- Ultra-smooth polished wire minimizes bracket friction and oral mucosal abrasion to lower patient soreness during orthodontic treatment
- High cyclic fatigue resistance avoids premature wire deformation throughout multi-month tooth correction cycles
- Ultra-fine diameter variants support micro endodontic files for narrow, curved root canal cleaning and shaping
- Strictly controlled trace impurity levels pass oral biocompatibility testing to prevent gingival swelling or allergic reactions
- Multiple standardized spool lengths and straight cut pieces streamline mass production of orthodontic appliance components
4. Application
nitinol round wire serves primary raw material for orthodontic superelastic archwires, lingual correction strands, and heat-activated retainer frames. It also manufactures rotary endodontic files, root canal shaping instruments and orthodontic auxiliary springs for dental factories, orthodontic clinics and dental device R&D labs globally. It fits mass dental component production in Southeast Asia and high-precision orthodontic hardware manufacturing across Europe and North America.
5. FAQ
Q1: What Af temperature grade works best for routine orthodontic archwire production?
A: Grades with Af at 25±5℃ activate steady alignment force under natural oral temperature for comfortable tooth movement.
Q2: Can ultra-fine nitinol round wire be customized for narrow curved root canal files?
A: Micro diameters starting at 0.013mm are available with ultra-tight tolerances to match miniature endodontic instrument blueprints.
Q3: Will this nitinol wire trigger oral allergic reactions in patients?
A: Low-impurity VIM-VAR melt composition plus passivated surface limits nickel release and passes ISO 10993 oral biocompatibility assessments.
Q4: How long can superelastic orthodontic nitinol round wire maintain stable correction force?
A: The alloy retains consistent elastic performance over 6+ months without obvious force attenuation for full orthodontic alignment cycles.
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Company
Wuxi Nickel New Material Co., Ltd
Location
Xinwu District, Wuxi City, Jiangsu Province
Contact Person
John