# HTS 9903.80.84: Mechanical tubing (provided for in subheading 7304.31.30, 7304.31.60 (except for statistical reporting number 7304.31.6010), 7304.39.00 (except for statistical reporting number 7304.39.0002, 7304.39.0004, 7304.39.0006, 7304.39.0008, 7304.39.0016, 7304.39.0020, 7304.39.0024, 7304.39.0036, 7304.39.0048, 7304.39.0062, 7304.39.0076 or 7304.39.0080), 7304.51.10, 7304.51.50 (except for statistical reporting number 7304.51.5005, 7304.51.5015 or 7304.51.5045), 7304.59.10, 7304.59.60, 7304.59.80 (except for statistical reporting number 7304.59.8010, 7304.59.8015, 7304.59.8030, 7304.59.8045, 7304.59.8060 or 7304.59.8080), 7304.90.50, 7304.90.70, 7306.30.10, 7306.30.50 (except for statistical reporting number 7306.30.5010, 7306.30.5026, 7306.30.5027, 7306.30.5028, 7306.30.5031, 7306.30.5033, 7306.30.5041, 7306.30.5043, 7306.30.5056, 7306.30.5057, 7306.30.5085 or 7306.30.5090), 7306.50.10, 7306.50.50 (except for statistical reporting number 7306.50.5010), 7306.61.50, 7306.61.70 (except for statistical reporting number 7306.61.7030), 7306.69.50 or 7306.69.70 (except for statistical reporting number 7306.69.7030)) 7304.39.0076 or 7304.39.0080)

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free
- **Corpus rank:** #5887 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9903.80.84

## Related tools

- [Tariff calculator](https://plaintariff.com/tools/tariff-calculator)
- [Search HTS codes](https://plaintariff.com/search)
- [Methodology & sources](https://plaintariff.com/methodology)

---

*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99038084-mechanical-tubing-provided-for-in-subheading-73043130-73*