| Chapter Code | Chapter Description |
|---|
| 72288090 | HOLLOW DRILL BARS AND RODS : OTHER |
| 72288010 | HOLLOW DRILL BARS AND RODS : OF ALLOY STEEL |
| 72255020 | OTHER, NOT FURTHER WORKED THAN COLD-ROLLED (COLD-REDUCED) : OF A THICKNESS OF 3 MM TO 4.75 MM |
| 72262012 | HOT-ROLLED : OTHER |
| 72262011 | HOT-ROLLED : IN COILS |
| 72262021 | COLD-ROLLED : IN COILS |
| 72262030 | COLD-ROLLED : HOOPS AND STRIPS |
| 72269120 | NOT FURTHER WORKED THAN HOT-ROLLED : OF A THICKNESS OF 3 MM AND ABOVE BUT NOT EXCEEDING 4.75 MM |