Product classification
HS code for CNC bar processing machine: 8462.51
Machine-tools, for working tube, pipe, hollow section and bar (excluding presses), for working metal, numerically controlled.
Classification of CNC bar processing machine under HS 8462.51
The CNC bar processing machine is classified under HS code 8462.51 because it falls within the category of machine tools for working metal by bending, folding, straightening, or flattening, specifically designed for tube, pipe, hollow sections, and bars. Unlike machines designed for flat products, this code is reserved for machines that handle three-dimensional profiles like bars. The numerical control (NC) aspect is the primary determinant for the subheading 8462.51, distinguishing it from manual or mechanically controlled variants. These machines typically operate by applying force to deform the material rather than removing it through cutting or grinding. The classification is governed by General Interpretative Rule 1 and 6, focusing on the machine's function of forming metal profiles through numerical instructions. Modern CNC bar processors often integrate multiple steps such as feeding, bending, and cutting, but if the primary function remains the shaping of the bar profile through bending or straightening, 8462.51 remains the most appropriate classification. The precision offered by the CNC system allows for complex geometries in reinforcement bars or industrial piping that manual machines cannot achieve.
- Covers
- CNC rebar bending machines
- Automatic CNC stirrup benders
- CNC tube and pipe benders
- Numerically controlled bar straightening machines
- CNC wire and bar forming centers
- Also under 8462.51
- BLM Group Elect Series Tube Benders
- Crippa Tube Bending Machines
- Transfluid Tube Benders
- Eaton Leonard Tube Benders
- Pines CNC Benders
Codes often confused with 8462.51
Common mistake. This code is frequently confused with HS code 8462.22, which covers CNC bending and folding machines for flat products (sheet metal). The distinction lies entirely in the shape of the input material; 8462.51 is for bars and tubes, while 8462.22 is for sheets. Additionally, it may be confused with 8458.11 (CNC lathes) if the machine rotates the bar for cutting, but 8462.51 is strictly for forming without metal removal.
Top exporters and importers of HS 846251 (the code used for CNC bar processing machine), 2025
In 2025, the largest exporter of HS 846251 (the code used for CNC bar processing machine) in UN Comtrade data was China, with 26% of world exports; the largest importer in UN Comtrade data was the United States, with 21% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 846251, not only CNC bar processing machine.
Top exporters 2025 · share of world exports
- 1 China $77M 26% of world exports
- 2 Italy $72M 25% of world exports
- 3 Netherlands $61M 21% of world exports
World total: $292M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $57M 21% of world imports
- 2 Mexico $32M 12% of world imports
- 3 China $14M 5.3% of world imports
World total: $270M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for CNC bar processing machine
Brazil classifies CNC bar processing machine under NCM 8462.51.00: HS 8462.51 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about CNC bar processing machine
What is the HS code for CNC bar processing machine?
The HS code for CNC bar processing machine is 846251 (Machine-tools; for working tube, pipe, hollow section and bar (excluding presses), for working metal, numerically controlled). The HS code for a numerically controlled CNC bar processing machine is 8462.51.
How do I classify CNC bar processing machine for customs?
CNC bar processing machine is classified under HS code 846251 — Machine-tools; for working tube, pipe, hollow section and bar (excluding presses), for working metal, numerically controlled. This is a 6-digit subheading level code.
Does this code include machines that cut the bar?
If the machine's primary function is bending or forming and the cutting is an auxiliary finishing step, it remains under 8462.51. However, if the machine is primarily a CNC shearing or sawing machine, it would move to 8462.32 or 8461.50 respectively.
Which countries are the top exporters of CNC bar processing machine (HS 846251)?
In 2025, the top exporters of HS 846251 (the code used for CNC bar processing machine) in UN Comtrade data were China ($77M, 26% of world exports), Italy ($72M) and the Netherlands ($61M). World exports came to about $292M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of CNC bar processing machine (HS 846251)?
In 2025, the top importers of HS 846251 (the code used for CNC bar processing machine) in UN Comtrade data were the United States ($57M, 21% of world imports), Mexico ($32M) and China ($14M). World imports came to about $270M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for CNC bar processing machine the same in all countries?
The base HS code 846251 for CNC bar processing machine is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for CNC bar processing machine in Brazil?
In Brazil, CNC bar processing machine (HS 846251) is classified under NCM 8462.51.00.