Heading 7307
HTS code 7307 — Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
- Chapter
- 73 — Iron and steel articles
- Tariff lines
- 39
- General duty
- General duty rates from 3.2% to 6.2%, with 3 duty-free lines
Tariff lines under heading 7307
Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.
| HTS code | Description | General rate | Unit |
|---|---|---|---|
| 7307.11.0030 | For threaded pipe (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Of nonmalleable cast iron) | 4.8% | kg |
| 7307.11.0045 | For cast-iron soil pipe (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Of nonmalleable cast iron > Other) | 4.8% | kg |
| 7307.11.0060 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Of nonmalleable cast iron > Other) | 4.8% | kg |
| 7307.19.3040 | Grooved-end fittings (including grooved couplings) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Ductile fittings) | 5.6% | kg |
| 7307.19.3060 | Threaded (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Ductile fittings > Other) | 5.6% | kg |
| 7307.19.3070 | With mechanical, push-on (rubber compression) or flanged joints attached (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Ductile fittings > Other) | 5.6% | kg |
| 7307.19.3085 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Ductile fittings > Other) | 5.6% | kg |
| 7307.19.9030 | Unions (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Other) | 6.2% | kg |
| 7307.19.9040 | Grooved-end fittings (including grooved couplings) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Other > Other) | 6.2% | kg |
| 7307.19.9060 | Threaded (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Other > Other > Other) | 6.2% | kg |
| 7307.19.9080 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Cast fittings > Other > Other > Other > Other) | 6.2% | kg |
| 7307.21.1000 | Not machined, not tooled and not otherwise processed after forging (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Flanges) | 3.3% | kg |
| 7307.21.5000 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Flanges) | 5.6% | kg |
| 7307.22.1000 | Sleeves (couplings) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Threaded elbows, bends and sleeves) | Free | kg |
| 7307.22.5000 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Threaded elbows, bends and sleeves) | 6.2% | kg |
| 7307.23.0030 | Not machined, not tooled and not otherwise processed after forming (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Butt welding fittings) | 5% | kg |
| 7307.23.0090 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Butt welding fittings) | 5% | kg |
| 7307.29.0030 | Nipples (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Other) | 5% | kg |
| 7307.29.0090 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other, of stainless steel > Other) | 5% | kg |
| 7307.91.1000 | Of iron or nonalloy steel (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Flanges > Not machined, not tooled and not otherwise processed after forging) | 3.3% | kg |
| 7307.91.3000 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Flanges > Not machined, not tooled and not otherwise processed after forging) | 3.2% | kg |
| 7307.91.5010 | Of iron or nonalloy steel (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Flanges > Other > With an inside diameter of less than 360 mm) | 5.5% | kg |
| 7307.91.5030 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Flanges > Other > With an inside diameter of less than 360 mm) | 5.5% | kg |
| 7307.91.5050 | Of iron or nonalloy steel (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Flanges > Other > With an inside diameter of 360 mm or more) | 5.5% | kg |
| 7307.91.5070 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Flanges > Other > With an inside diameter of 360 mm or more) | 5.5% | kg |
| 7307.92.3010 | Of iron or nonalloy steel (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Threaded elbows, bends and sleeves > Sleeves (couplings)) | Free | kg |
| 7307.92.3030 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Threaded elbows, bends and sleeves > Sleeves (couplings)) | Free | kg |
| 7307.92.9000 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Threaded elbows, bends and sleeves) | 6.2% | kg |
| 7307.93.3010 | Not machined, not tooled and not otherwise processed after forging (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Butt welding fittings > With an inside diameter of less than 360 mm > Of iron or nonalloy steel) | 6.2% | kg |
| 7307.93.3040 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Butt welding fittings > With an inside diameter of less than 360 mm > Of iron or nonalloy steel) | 6.2% | kg |
| 7307.93.6000 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Butt welding fittings > With an inside diameter of less than 360 mm) | 5.5% | kg |
| 7307.93.9010 | Not machined, not tooled and not otherwise processed after forging (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Butt welding fittings > With an inside diameter of 360 mm or more > Of iron or nonalloy steel) | 4.3% | kg |
| 7307.93.9040 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Butt welding fittings > With an inside diameter of 360 mm or more > Of iron or nonalloy steel) | 4.3% | kg |
| 7307.93.9060 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Butt welding fittings > With an inside diameter of 360 mm or more) | 4.3% | kg |
| 7307.99.1000 | Of iron or nonalloy steel (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Other > Not machined, not tooled and not otherwise processed after forging) | 3.7% | kg |
| 7307.99.3000 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Other > Not machined, not tooled and not otherwise processed after forging) | 3.2% | kg |
| 7307.99.5015 | Nipples (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Other > Other > Of iron or nonalloy steel) | 4.3% | kg |
| 7307.99.5045 | Other (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Other > Other > Of iron or nonalloy steel) | 4.3% | kg |
| 7307.99.5060 | Of alloy steel (except stainless steel) (Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel > Other > Other > Other) | 4.3% | kg |
Documents required to import under 7307
Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.
- Commercial InvoiceRequired
- Packing ListRequired
- Bill of Lading / Airway BillRequired
- CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
- CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
- Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
- Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
- Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
- Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries
Common questions
- What is HTS code 7307?
- HTS heading 7307 covers tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. It sits in Chapter 73 (iron and steel articles) of the US Harmonized Tariff Schedule and contains 39 tariff lines.
- What is the duty rate for HTS 7307?
- General duty rates from 3.2% to 6.2%, with 3 duty-free lines. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
- How many digits does a full HTS code have?
- US import entries require the full 10-digit HTS code. Heading 7307 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.
Related headings in Chapter 73
- 7301Sheet piling of iron or steel, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel
- 7302Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails
- 7303Tubes, pipes and hollow profiles, of cast iron
- 7304Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
- 7305Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel
- 7306Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel
- 7308Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge sections, lock gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns) of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel
- 7309Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 liters, whether or not lined or heat insulated, but not fitted with mechanical or thermal equipment