HS Code 7306.40 : Other, welded, of circular cross section, of stainless steel
The 6-digit Harmonized System (HS) code for other, welded, of circular cross section, of stainless steel is 7306.40. Under the 2026 United States (USITC HTS), the representative MFN general duty rate is Free [USITC HTS Tariff Schedule 2026].
Import Duty Rates by Destination
MODULE 5: US IMPORT DUTY & FEE BREAKDOWN (LANDED COST STACK)
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 7306.40
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MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% local value-add requirement for beneficiary country origin. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: Official CBP CROSS Binding Classification Rulings
No official CBP CROSS classification precedents indexed for subheading 730640 yet.
US National HTS Tariff Lines (7306.40)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 7306.40 | Other, welded, of circular cross section, of stainless steel | Free | Free | Rate on request | — |
| 7306.40.10 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of less than |
Free | Free | 36% | — |
| 7306.40.10.10 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of less than |
Free | Free | Rate on request | kg |
| 7306.40.10.15 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of less than |
Free | Free | Rate on request | kg |
| 7306.40.10.90 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of less than |
Free | Free | Rate on request | kg |
| 7306.40.50 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | 11% | — |
| 7306.40.50.05 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.15 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.40 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.42 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.44 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.62 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.64 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.80 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.85 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
| 7306.40.50.90 | Other, welded, of circular cross section, of stainless steel, Having a wall thickness of |
Free | Free | Rate on request | kg |
HS 7306.40 appears in the scope of 9 active U.S. Antidumping/Countervailing Duty order(s) — covering Circular Welded Austenitic Stainless Pressure Pipe, Welded Stainless Pressure Pipe, Welded Stainless Steel Pressure Pipe, Welded ASTM A-312 Stainless Steel Pipe from China, India, Malaysia, South Korea, Taiwan and 2 more (Commerce case(s) A-570-930, C-570-931, A-533-867, C-533-868, A-557-815, A-580-810 (+3 more)). Scope is defined by written product description, and duty rates are exporter-specific.
US 10-Digit Statistical HTS Breakout (7306.40)
14 Declarable Lines · USITC 2026If imported from China, merchandise under this HTS line carries an additional Section 301 tariff (see HTS heading 9903.91.01). Applicable Section 301 rates depend on country of origin — verify exact rate and exemptions at hts.usitc.gov.
| 10-Digit HTS Code | Statistical Description | General MFN Rate | FTA / Special Rate | Unit |
|---|---|---|---|---|
| 7306.40.10 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of less than 1.65 mm | Free | Base MFN | — |
| 7306.40.10.10 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of less than 1.65 mm Containing more than 0.5 percent by weight of nickel: Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | Free | Base MFN | kg |
| 7306.40.10.15 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of less than 1.65 mm Containing more than 0.5 percent by weight of nickel: Other | Free | Base MFN | kg |
| 7306.40.10.90 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of less than 1.65 mm Other | Free | Base MFN | kg |
| 7306.40.50.05 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Of high-nickel alloy steel | Free | Base MFN | kg |
| 7306.40.50.15 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | Free | Base MFN | kg |
| 7306.40.50.40 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other, cold-drawn or cold-rolled (cold- reduced): Containing more than 0.5 percent but less than 24 percent by weight of nickel | Free | Base MFN | kg |
| 7306.40.50.42 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other, cold-drawn or cold-rolled (cold- reduced): Other: Containing less than 15 percent by weight of chromium | Free | Base MFN | kg |
| 7306.40.50.44 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other, cold-drawn or cold-rolled (cold- reduced): Other: Other | Free | Base MFN | kg |
| 7306.40.50.62 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other: With an outside diameter not exceeding 114.3 mm: Containing more than 0.5 percent but less than 24 percent by weight of nickel: Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | Free | Base MFN | kg |
| 7306.40.50.64 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other: With an outside diameter not exceeding 114.3 mm: Containing more than 0.5 percent but less than 24 percent by weight of nickel: Other | Free | Base MFN | kg |
| 7306.40.50.80 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other: With an outside diameter not exceeding 114.3 mm: Other | Free | Base MFN | kg |
| 7306.40.50.85 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other: With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: Containing more than 0.5 percent but less than 24 percent by weight of nickel | Free | Base MFN | kg |
| 7306.40.50.90 | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of stainless steel: Having a wall thickness of 1.65 mm or more Other: Other: With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: Other | Free | Base MFN | kg |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 7306.11 | Subheading under Heading 7306 | HS 7306.11 undefined Duty & Entry Rules → |
| 7306.19 | Subheading under Heading 7306 | HS 7306.19 undefined Duty & Entry Rules → |
| 7306.21 | Subheading under Heading 7306 | HS 7306.21 undefined Duty & Entry Rules → |
| 7306.29 | Subheading under Heading 7306 | HS 7306.29 undefined Duty & Entry Rules → |
MODULE 13: Industry Classification & Crosswalk Mesh (NAICS & Schedule B)
Official Primary Sources & Authority References
USITC HTS Chapter 73 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Other, welded, of circular cross section, of stainless steel.
CBP CROSS Ruling Database (7306.40) ↗
Binding customs classification precedents for Heading 7306.