Heading 7307: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
Every line of heading 7307 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
Chapter 73: Articles of iron or steel. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 7307.11.00 | Of nonmalleable cast iron | 4.8% |
| 7307.11.00.30 | For threaded pipe | |
| 7307.11.00.45 | For cast-iron soil pipe | |
| 7307.11.00.60 | Other | |
| 7307.19 | Other: | |
| 7307.19.30 | Ductile fittings | 5.6% |
| 7307.19.30.40 | Grooved-end fittings (including grooved couplings) | |
| 7307.19.30.60 | Threaded | |
| 7307.19.30.70 | With mechanical, push-on (rubber compression) or flanged joints attached | |
| 7307.19.30.85 | Other | |
| 7307.19.90 | Other | 6.2% |
| 7307.19.90.30 | Unions | |
| 7307.19.90.40 | Grooved-end fittings (including grooved couplings) | |
| 7307.19.90.60 | Threaded | |
| 7307.19.90.80 | Other | |
| 7307.21 | Flanges: | |
| 7307.21.10.00 | Not machined, not tooled and not otherwise processed after forging | 3.3% |
| 7307.21.50.00 | Other | 5.6% |
| 7307.22 | Threaded elbows, bends and sleeves: | |
| 7307.22.10.00 | Sleeves (couplings) | Free |
| 7307.22.50.00 | Other | 6.2% |
| 7307.23.00 | Butt welding fittings | 5% |
| 7307.23.00.30 | Not machined, not tooled and not otherwise processed after forming | |
| 7307.23.00.90 | Other | |
| 7307.29.00 | Other | 5% |
| 7307.29.00.30 | Nipples | |
| 7307.29.00.90 | Other | |
| 7307.91 | Flanges: | |
| 7307.91.10.00 | Of iron or nonalloy steel | 3.3% |
| 7307.91.30.00 | Of alloy steel (except stainless steel) | 3.2% |
| 7307.91.50 | Other | 5.5% |
| 7307.91.50.10 | Of iron or nonalloy steel | |
| 7307.91.50.30 | Of alloy steel (except stainless steel) | |
| 7307.91.50.50 | Of iron or nonalloy steel | |
| 7307.91.50.70 | Of alloy steel (except stainless steel) | |
| 7307.92 | Threaded elbows, bends and sleeves: | |
| 7307.92.30 | Sleeves (couplings) | Free |
| 7307.92.30.10 | Of iron or nonalloy steel | |
| 7307.92.30.30 | Of alloy steel (except stainless steel) | |
| 7307.92.90.00 | Other | 6.2% |
| 7307.93 | Butt welding fittings: | |
| 7307.93.30 | Of iron or nonalloy steel | 6.2% |
| 7307.93.30.10 | Not machined, not tooled and not otherwise processed after forging | |
| 7307.93.30.40 | Other | |
| 7307.93.60.00 | Of alloy steel (except stainless steel) | 5.5% |
| 7307.93.90 | With an inside diameter of 360 mm or more | 4.3% |
| 7307.93.90.10 | Not machined, not tooled and not otherwise processed after forging | |
| 7307.93.90.40 | Other | |
| 7307.93.90.60 | Of alloy steel (except stainless steel) | |
| 7307.99 | Other: | |
| 7307.99.10.00 | Of iron or nonalloy steel | 3.7% |
| 7307.99.30.00 | Of alloy steel (except stainless steel) | 3.2% |
| 7307.99.50 | Other | 4.3% |
| 7307.99.50.15 | Nipples | |
| 7307.99.50.45 | Other | |
| 7307.99.50.60 | Of alloy steel (except stainless steel) |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 7307 has 20 of them; the first 12 are below. Schedule B lookup →
- 7307.11.0030FITTINGS, NONMALLEABLE CAST IRON FOR THREADED PIPE
- 7307.11.0045FITTINGS, NONMALLEABLE CAST IRON FOR CAST-IRON SOIL PIPE (NOT THREADED)
- 7307.11.0060CAST FITTINGS OF NONMALLEABLE CAST IRON NESOI
- 7307.19.3000DUCTILE FITTINGS OF IRON OR STEEL, CAST
- 7307.19.9030UNIONS, PIPE, OF IRON OR STEEL, CAST
- 7307.19.9090OTHER TUBE OR PIPE FITTINGS, CAST, OF IRON OR STEEL, NESOI
- 7307.21.0000STAINLESS STEEL FLANGES
- 7307.22.1000STAINLESS STEEL SLEEVES (PIPE COUPLINGS)
- 7307.22.5000STAINLESS STEEL PIPE ELBOWS AND BENDS
- 7307.23.0000STAINLESS STEEL TUBE OR PIPE BUTT WELDING FITTINGS
- 7307.29.0000STAINLESS STEEL TUBE OR PIPE FITTINGS NESOI
- 7307.91.2000FLANGES OF IRON OR NONALLOY STEEL
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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