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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.
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
| Condition | UTS 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.
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
| Condition | UTS 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.
