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| 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 |
| Condition | Superelastic |
| UTS (Mpa) | ≥1000 |
| Elongation （%） | ≥10 |
| Upper Plateau Stress （Mpa） | ≥380 |
| Permanent set after 6% Strain % | ≤0.3 |
| Active Af ℃ | ≤15 |
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.
