Analysis
HTS 7306.50.50 covers having a wall thickness of 1.65 mm or more: other under heading 7306 (other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or…). US Customs collects import statistics for it under 4 ten-digit suffixes, reported in kilograms.
Goods classified here enter the United States duty-free at the general (normal trade relations) rate, as do about 77% of the 250 tariff lines in chapter 73. Duty-free at the general rate does not rule out additional duties under Chapter 99, such as Section 301 or Section 232 measures, which depend on the country of origin.
The other lines in the same group are 7306.50.10 (having a wall thickness of less than 1.65 mm, duty-free) and 7306.50.30 (tapered pipes and tubes of steel principally used as parts…, duty-free).
Census statistics map these goods to NAICS 331110 (Iron and Steel Mills and Ferroalloy Manufacturing), an industry of 359 US establishments employing 78,532 people. That is the industry code a US manufacturer of the same product would normally use.
Statistical suffixes
| Code | Description | Units | NAICS |
|---|---|---|---|
| 7306.50.50.10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | 331110 |
| 7306.50.50.30 | Other, cold-drawn or cold-rolled (cold- reduced) | kg | 331110 |
| 7306.50.50.50 | With an outside diameter not exceeding 114.3 mm | kg | 331110 |
| 7306.50.50.70 | With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm | kg | 331110 |
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 7306.50.10 | Having a wall thickness of less than 1.65 mm | Free |
| 7306.50.30 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | Free |