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NiTi Tube Finished Tube Medical Nitinol Tube

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 F 2082-15.

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 Nitinol Tube 

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 F 2082-15.

 

Mechanical Properties


ConditionUTS
σb  MPa
Elongation
δ%
Upper Plateau Stress
UPS  MPa
Permanent set after 6%  strain %Active Af ℃
Superelastic≥1000≥10≥380≤0.3≤15

* Superelastic properties are measured per Test Method ASTM F2516 at room temperature (22+/-2C)

* Applicable Standard: ASTM F2633

 

Surface Finish

    ●    Outer surface: Oxide or Centerless-ground.  

    ●    Inner surface: Etched or Oxide.

Other finishes can be discussed with Peiertech.

 

Nominal Dimensions and Tolerances

 



Permissible Variation in OD or ID Dimensions of Guide Tube*


Nominal OD (mm)OD Tolerance (mm)ID Tolerance (mm)
OD≤0.3±0.005±0.010
0.3<OD≤0.5±0.007±0.015
0.5<OD≤1.5±0.015±0.020
1.5<OD≤2.5±0.020±0.030
2.5<OD≤3.5±0.020±0.040
3.5<OD≤5.0±0.030±0.050
5.0<OD≤10.0±0.050±0.050
10.0<OD±0.050±0.050





Permissible Variation in OD or ID Dimensions of Tube for Stents*

Nominal OD (mm)OD Tolerance (mm)WT Tolerance (mm)
0.3<OD≤0.6±0.015±0.015
0.6<OD≤1.5±0.020±0.015
1.5<OD≤2.5±0.020±0.020
2.5<OD≤3.5±0.020±0.020
3.5<OD≤5.0±0.030±0.025
5.0<OD≤10.0±0.050±0.030
10.0<OD±0.050±0.050

* Other variation in OD and ID can be discussed with Peiertech.


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