HS Code for Brazing paste
Brazing paste is classified under HS code 3810.10. This code is designated for pickling preparations for metal surfaces and soldering, brazing, or welding powders and pastes consisting of metal and other materials. The classification is driven by the product's identity as a chemical preparation rather than a raw metal. Brazing pastes are complex mixtures containing atomized filler metal powder, a fluxing agent to remove oxides, and a binder or carrier to maintain a paste-like consistency. According to the Explanatory Notes for Chapter 38, heading 3810 includes preparations used to facilitate the joining of metals by ensuring the surfaces are chemically clean and by providing the necessary filler material in a convenient form. Even if the paste contains a high percentage of silver or other metals, it remains in 3810.10 because the addition of fluxes and binders gives it the character of a \"preparation\" rather than a simple metal alloy or powder found in Chapters 71 or 80. These pastes are widely used in automated industrial processes where precise amounts of filler and flux must be applied to joints before heating in a furnace or via induction.
Products Included
- Silver brazing paste
- Copper-phosphorus brazing paste
- Nickel-based brazing pastes
- Aluminum brazing flux-cored pastes
- Soldering pastes for electronics
- Welding powders with flux
Common Misclassification
A common misclassification occurs with HS code 7106.92 or 7108.13 when the paste contains precious metals like silver or gold. However, Note 1 to Chapter 71 and the notes to Chapter 38 clarify that prepared pastes containing flux are classified in 3810. Another error is using 3214.10, which is for painters' fillings or glaziers' putty; while both are \"pastes,\" their chemical composition and industrial application are entirely different.
FAQ
What is the HS code for brazing paste?
The correct HS code for brazing paste containing metal and flux is 3810.10.
Does this code include liquid flux?
No, liquid flux without metal powder is typically classified under HS code 3810.90, as it is a preparation but not a metal-containing paste.
Industry
Frequently Asked Questions
What is the HS code for Brazing paste?
The HS code for Brazing paste is 381010 (Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials).
How do I classify Brazing paste for customs?
Brazing paste is classified under HS code 381010 — Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials. This is a 6-digit subheading level code.
Is the HS code for Brazing paste the same in all countries?
The base HS code 381010 for Brazing paste is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.