Brazil NCM · 8-digit subitem

NCM 8417.10.20 – Non-electric metal heat-treatment furnaces

NCM 8417.10.20 (also written 84171020) is Brazil's code for non-electric metal heat-treatment furnaces. Its first 6 digits are HS code 8417.10.

Official description of NCM 8417.10.20

PortuguêsOfficial
Fornos industriais para tratamento térmico de metais
EnglishUnofficial translation

Industrial furnaces for heat treatment of metals

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 8417.10.20

84Chapter 17Heading 10Subheading

HS code 8417.10
Same in every country

2Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 84 Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof Reatores nucleares, caldeiras, máquinas, aparelhos e instrumentos mecânicos, e suas partes.
  2. Heading 84.17 Furnaces and ovens; industrial or laboratory, including incinerators, non-electric Fornos industriais ou de laboratório, incluindo os incineradores, não elétricos.
  3. Subheading 8417.10 Furnaces and ovens; non-electric, for the roasting, melting or other heat-treatment of ores, pyrites or of metals, for industrial or laboratory use Fornos para ustulação, fusão ou outros tratamentos térmicos de minérios ou de metais
  4. Subitem 8417.10.20 Industrial furnaces for heat treatment of metals Fornos industriais para tratamento térmico de metais

Other NCM codes under HS 8417.10

8417.10.10 Non-electric metal melting furnacesFornos industriais para fusão de metais 8417.10.90 Other non-electric ore, pyrite or metal furnacesOutros

Questions about NCM 8417.10.20

What is NCM 8417.10.20?

NCM 8417.10.20 (84171020) is the Brazilian (Mercosur) code for non-electric metal heat-treatment furnaces. Its official Portuguese description is “Fornos industriais para tratamento térmico de metais”.

What is the HS code for NCM 8417.10.20?

HS 8417.10 (Furnaces and ovens; non-electric, for the roasting, melting or other heat-treatment of ores, pyrites or of metals, for industrial or laboratory use). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 8417.10.20?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.