| 7306.30.30 | 00 | Having a wall thickness of 1.65 mm or more: |  |  |  |  | 
| 7306.30.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn | kg |  |  |  | 
| 7306.30.50 | 15 | Other, cold-drawn | kg |  |  |  | 
| 7306.30.50 | 20 | Other, cold-rolled (cold-reduced) with a wall thickness not exceeding 2.54 mm | kg |  |  |  | 
| 7306.30.50 | 25 | With an outside diameter not exceeding 114.3 mm: |  |  |  |  | 
| 7306.30.50 | 25 | Imported with coupling | kg |  |  |  | 
| 7306.30.50 | 28 | Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | kg |  |  |  | 
| 7306.30.50 | 35 | Tube and pipe hollows for redrawing | kg |  |  |  | 
| 7306.30.50 | 40 | Other, imported with coupling | kg |  |  |  | 
| 7306.30.50 | 85 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: |  |  |  |  | 
| 7306.40 |  | Other, welded, of circular cross section, of stainless steel: |  |  |  |  | 
| 7306.40.10 |  | Having a wall thickness of less than 1.65 mm |  | Free |  | 36% | 
| 7306.40.10 | 10 | Containing more than 0.5 percent by weight of nickel: |  |  |  |  | 
| 7306.40.10 | 10 | Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | kg |  |  |  | 
| 7306.40.50 |  | Having a wall thickness of 1.65 mm or more |  | Free |  | 11% | 
| 7306.40.50 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg |  |  |  | 
| 7306.40.50 | 40 | Other, cold-drawn or cold-rolled (cold- reduced): |  |  |  |  | 
| 7306.40.50 | 40 | Containing more than 0.5 percent but less than 24 percent by weight of nickel | kg |  |  |  | 
| 7306.40.50 | 42 | Containing less than 15 percent by weight of chromium | kg |  |  |  | 
| 7306.40.50 | 62 | With an outside diameter not exceeding 114.3 mm: |  |  |  |  | 
| 7306.40.50 | 62 | Containing more than 0.5 percent but less than 24 percent by weight of nickel: |  |  |  |  | 
| 7306.40.50 | 62 | Containing more than 1.5 per- cent but less than 5 percent by weight of molybdenum | kg |  |  |  | 
| 7306.40.50 | 85 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: |  |  |  |  | 
| 7306.40.50 | 85 | Containing more than 0.5 percent but less than 24 percent by weight of nickel | kg |  |  |  | 
| 7306.50 |  | Other, welded, of circular cross section, of other alloy steel: |  |  |  |  |