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HTS heading 3810: Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and p

Heading 3810 of the US Harmonized Tariff Schedule covers Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 3810 at a glance

Goods named in this heading (official line texts): Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes con…, Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances, Consisting wholly of inorganic substances.

Subheadings (6-digit)

All tariff lines in heading 3810

LineDescriptionGeneralSection 301 (China)Exclusions
3810.10.00Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes con…5%List 3 +25%
3810.90.10Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%List 3 +25%
3810.90.20Consisting wholly of inorganic substancesFreeList 3 +25%
3810.90.50Other: Other5%List 3 +25%

All of chapter 38 · Chapter 38 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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