Nitinol Tube
Wrought Seamless Nickel-Titanium Shape Memory AlloyTube for Medical Devices and Surgical Implants
Active Austenite Finish Temperature
The austenite finish temperature of the finished tube (Active Af) with outer diameter in the range of 0.3 to 3.0 mm (0.012 to 0.12 in.) shall be measured on representative full round tube sample(s) using the bend and free recovery method described in Test Method ASTM F2082/F2082M-16.
Nominal Dimensions and Tolerances
Permissible Variation in OD or ID Dimensions of Guide Tube* Permissible Variation in OD or ID Dimensions of Stent Tube*
Nominal OD(mm) OD Tolerance(mm) ID Tolerance(mm) Nominal OD(mm) OD Tolerance(mm) WT Tolerance(mm)
OD≤0.3 ±0.005 ±0.010 OD<0.3 ±0.010 ±0.010
0.3<OD≤0.5 ±0.007 ±0.010 0.3≤OD≤0.6 ±0.015 ±0.015
0.5<OD≤1.5 ±0.015 ±0.020 0.6<OD≤1.5 ±0.020 ±0.015
1.5<OD≤2.5 ±0.020 ±0.020 1.5<OD≤2.5 ±0.020 ±0.020
2.5<OD≤3.5 ±0.020 ±0.030 2.5<OD≤3.5 ±0.020 ±0.020
3.5<OD≤5.0 ±0.025 ±0.040 3.5<OD≤5.0 ±0.030 ±0.025
5.0<OD≤10.0 ±0.050 ±0.050 5.0<OD≤10..0 ±0.050 ±0.030
10.0<OD ±0.050 ±0.050 10.0<OD ±0.050 ±0.050
Mechanical Properties
Condition Superelastic
UTS (Mpa) ≥1000
Elongation (%) ≥10
Upper Plateau Stress (Mpa) ≥380
Permanent set after 6% Strain % ≤0.3
Active Af ≤15
*Superelastic properties are measured per Test Method ASTM F2516 at room temperature(22+/-2℃)
*Applicable Standard:ASTM F2633
Surface Finish
Outer surface: oxide or center-less-ground
Inner surface: Etched or oxide
Other finishes can be discussed with Peiertech

Nitinol tube can be delivered in either exact length or random length. For random length orders, a maximum and minimum length shall be discussed with Peiertech.

Straightness requirements and measurement methods shall be discussed with Peiertech.

Permissible Outer And Inner Surface Imperfections
Outer and inner surface imperfections criteria on tubes shall be discussed with Peiertech.

Medical Application
Guide Tube, Neddle, Dental Products, Nitinol Tube Components

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