# HTS 7307: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel:

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=7307). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 7307: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 7307 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: |  |  |  |  |
|  |   Cast fittings: |  |  |  |  |
| 7307.11.00 |     Of nonmalleable cast iron | 4.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |  |
| 7307.11.00.30 |       For threaded pipe | 4.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
|  |       Other: | 4.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |  |
| 7307.11.00.45 |         For cast-iron soil pipe | 4.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 7307.11.00.60 |         Other | 4.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 7307.19 |     Other: |  |  |  |  |
| 7307.19.30 |       Ductile fittings | 5.6% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
| 7307.19.30.40 |         Grooved-end fittings (including grooved couplings) | 5.6% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
|  |         Other: | 5.6% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
| 7307.19.30.60 |           Threaded | 5.6% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.19.30.70 |           With mechanical, push-on (rubber compression) or flanged joints attached | 5.6% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.19.30.85 |           Other | 5.6% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.19.90 |       Other | 6.2% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% |  |
| 7307.19.90.30 |         Unions | 6.2% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% | kg |
|  |         Other: | 6.2% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% |  |
| 7307.19.90.40 |           Grooved-end fittings (including grooved couplings) | 6.2% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% | kg |
|  |           Other: | 6.2% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% |  |
| 7307.19.90.60 |           Threaded | 6.2% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.19.90.80 |           Other | 6.2% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% | kg |
|  |   Other, of stainless steel: |  |  |  |  |
| 7307.21 |     Flanges: |  |  |  |  |
| 7307.21.10.00 |       Not machined, not tooled and not otherwise processed after forging | 3.3% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 34% | kg |
| 7307.21.50.00 |       Other | 5.6% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.22 |     Threaded elbows, bends and sleeves: |  |  |  |  |
| 7307.22.10.00 |       Sleeves (couplings) | Free |  | 45% | kg |
| 7307.22.50.00 |       Other | 6.2% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.23.00 |     Butt welding fittings | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
| 7307.23.00.30 |       Not machined, not tooled and not otherwise processed after forming | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.23.00.90 |       Other | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.29.00 |     Other | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
| 7307.29.00.30 |       Nipples | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.29.00.90 |       Other | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
|  |   Other: |  |  |  |  |
| 7307.91 |     Flanges: |  |  |  |  |
|  |       Not machined, not tooled and not otherwise processed after forging: |  |  |  |  |
| 7307.91.10.00 |         Of iron or nonalloy steel | 3.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 7307.91.30.00 |         Of alloy steel (except stainless steel) | 3.2% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 33% | kg |
| 7307.91.50 |       Other | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.75% (JP) | 45% |  |
|  |         With an inside diameter of less than 360 mm: | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.75% (JP) | 45% |  |
| 7307.91.50.10 |           Of iron or nonalloy steel | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.75% (JP) | 45% | kg |
| 7307.91.50.30 |           Of alloy steel (except stainless steel) | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.75% (JP) | 45% | kg |
|  |         With an inside diameter of 360 mm or more: | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.75% (JP) | 45% |  |
| 7307.91.50.50 |           Of iron or nonalloy steel | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.75% (JP) | 45% | kg |
| 7307.91.50.70 |           Of alloy steel (except stainless steel) | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.75% (JP) | 45% | kg |
| 7307.92 |     Threaded elbows, bends and sleeves: |  |  |  |  |
| 7307.92.30 |       Sleeves (couplings) | Free |  | 45% |  |
| 7307.92.30.10 |         Of iron or nonalloy steel | Free |  | 45% | kg |
| 7307.92.30.30 |         Of alloy steel (except stainless steel) | Free |  | 45% | kg |
| 7307.92.90.00 |       Other | 6.2% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.1% (JP) | 45% | kg |
| 7307.93 |     Butt welding fittings: |  |  |  |  |
|  |       With an inside diameter of less than 360 mm: |  |  |  |  |
| 7307.93.30 |         Of iron or nonalloy steel | 6.2% | Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
| 7307.93.30.10 |           Not machined, not tooled and not otherwise processed after forging | 6.2% | Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.93.30.40 |           Other | 6.2% | Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.93.60.00 |         Of alloy steel (except stainless steel) | 5.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.93.90 |       With an inside diameter of 360 mm or more | 4.3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
|  |         Of iron or nonalloy steel: | 4.3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
| 7307.93.90.10 |           Not machined, not tooled and not otherwise processed after forging | 4.3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.93.90.40 |           Other | 4.3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.93.90.60 |         Of alloy steel (except stainless steel) | 4.3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.99 |     Other: |  |  |  |  |
|  |       Not machined, not tooled and not otherwise processed after forging: |  |  |  |  |
| 7307.99.10.00 |         Of iron or nonalloy steel | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 7307.99.30.00 |         Of alloy steel (except stainless steel) | 3.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 33% | kg |
| 7307.99.50 |       Other | 4.3% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
|  |         Of iron or nonalloy steel: | 4.3% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% |  |
| 7307.99.50.15 |           Nipples | 4.3% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.99.50.45 |           Other | 4.3% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |
| 7307.99.50.60 |         Of alloy steel (except stainless steel) | 4.3% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% | kg |