Harmonized Tariff Schedule of the U.S. › Chapter 73 Articles of iron or steel
7307.99.50.15Tariff line
Classification path
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
7307
Other
Other
Other
Of iron or nonalloy steel
Nipples
7307.99.50.15
Rates of duty
General rate (Column 1)4.3%
SpecialFree (A, AU, B, BH, CL, CO, D, E, IL, JO, JP, KR, MA, OM, P, PA, PE, S, SG)
Column 245%
Unitkg
Free (A, AU, B, BH, CL, CO, D, E, IL, JO, JP, KR, MA, OM, P, PA, PE, S, SG)
Printed page 2614
Measure flags
for origin CN, entry date 2026-10-25 · base rate 4.3%
- Section 301 forced-labor tariff (12.5%)9903.05.90ExemptexemptGoods entered under a 232 heading (METALS) are exempt from the forced-labor 301 duty (note 52(f))
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 7307.99.50 is on L3
- 232 steel / aluminum / copper & derivatives9903.82.02Applies+50%General (all other countries) | Iron or steel (other than stainless), not cast, fittings for tubes or pipes, nesoi, not forged or forged and machined, tooled and processed after forging
Confirmed total 79.3% · max 79.3%Full duty breakdown →