HS code 730640 tariff rate
Other, welded, of circular cross section, of stainless steel:
HS 730640
Other, welded, of circular cross section, of stainless steel:
Current US base rate (structured schedule)
Free
Effective date
No dated action in the last 30 days. The base rate above stands until a new action takes effect.
Duty stack summary
- Base rate (MFN): Free on most lines.
- Additional duties noted: none on these lines in the structured schedule.
- Recent trade actions: none in the last 30 days of scanned notices touches this category.
Summary
HS 730640 covers other, welded, of circular cross section, of stainless steel:. The structured schedule lists a base rate of Free on most lines in this category. No trade action in the last 30 days of scanned notices touches this category. Confirm the classification of your specific goods with your broker.
What this rate means for an importer
Free means the schedule lists no base duty on most lines in this category. Duty is figured on the customs value of the goods, so a Free base rate adds nothing at that step. Extra duties from trade actions can still apply, so a Free base rate does not promise zero total duty.
The base rate is only the starting point. Extra duties from trade actions sit on top of it and change more often than the base schedule. Before you set a price or sign a purchase order, run the code through the free lookup to see recent actions.
Tariff lines in this category
Showing 12 of 16 lines. Match your goods to the closest line.
| Line | Base rate | Goods |
|---|---|---|
| 7306.40 | See schedule | Other, welded, of circular cross section, of stainless steel: |
| 7306.40.10 | Free | Having a wall thickness of less than <il>1.65 mm</il> |
| 7306.40.10.10 | See schedule | Containing more than 1.5 percent but less than 5 percent by weight of molybdenum |
| 7306.40.10.15 | See schedule | Other |
| 7306.40.10.90 | See schedule | Other |
| 7306.40.50 | Free | Having a wall thickness of <il>1.65 mm</il> or more |
| 7306.40.50.05 | See schedule | Of high-nickel alloy steel |
| 7306.40.50.15 | See schedule | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether... |
| 7306.40.50.40 | See schedule | Containing more than 0.5 percent but less than 24 percent by weight of nickel |
| 7306.40.50.42 | See schedule | Containing less than 15 percent by weight of chromium |
| 7306.40.50.44 | See schedule | Other |
| 7306.40.50.62 | See schedule | Containing more than 1.5 percent but less than 5 percent by weight of molybdenum |
More in HS chapter 73 (Articles of iron or steel)
Nearby codes: 730619 730621 730629 730630 730650 730661 730669
Nearby chapters: Chapter 72 - Chapter 74
HS 730640 questions
What is the US base rate for HS 730640?
On most tariff lines in this category, the structured schedule lists Free. Free means the schedule lists no base duty on most lines in this category. Duty is figured on the customs value of the goods, so a Free base rate adds nothing at that step. Extra duties from trade actions can still apply, so a Free base rate does not promise zero total duty.
Does the base rate tell the full story for HS 730640?
No. Extra duties from trade actions can sit on top of the base rate and change often. Use the free lookup to see recent actions for this code before you commit to a price.
Where does this rate come from?
The base rate comes from the structured US tariff schedule, read through the Tariff Wire HS lookup. Recent actions come from published Federal Register notices from the last 30 days. Each lookup links its official source.
Can I use this page to classify my goods?
No. This page covers the HS-6 product category. The exact 8 or 10 digit classification of your goods, and what you owe on a specific entry, is work for you and your licensed customs broker.
How do I get an alert if the rate for HS 730640 changes?
Tariff Wire Pro watches this category every day and sends one plain-English alert when a change touches it, with the official source linked. That monitoring is part of the paid plan.
Check the live rate for HS 730640
Schedules change. Run this code through the free lookup to see the current base rate and any recent trade actions.
Look up HS 730640Get an email the day this rate changes
Monitoring is part of Pro. Sign up once and Tariff Wire watches HS 730640 for you every day, with the official source linked in each alert.
Get alerts for HS 730640General information only, for educational and planning purposes. This is not legal advice and not a customs classification determination for your specific goods or entries. Tariff classification of your products should be confirmed with your licensed customs broker. Rates shown as 'detected' are taken from official notice text and are not confirmed; rates shown as 'confirmed' come from structured HTS data, which updates days to weeks after legal effective dates. Last updated 2026-09-28 from the structured US tariff schedule. Rates change; confirm with your broker before you act.