What is the difference between hot and cold rolling mills?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-4 · Heading
8455 — Metal-rolling mills and rolls therefor
Chapter 84: Nuclear reactors, boilers, machinery
Plain-language overview
Use HS-4 8455 when importing or exporting metal-rolling mills and their components, such as a hot rolling mill used for shaping steel sheets. Accurate classification ensures compliance with customs regulations.
When deciding between HS-6 845521 and HS-6 845522, consider the temperature of the rolling process. If the mill operates with heat, classify it as hot or combination hot and cold rolling mills; otherwise, use cold rolling mills.
For shipments involving parts, HS-6 845590 covers various components of metal-rolling mills. If you're shipping rolls specifically, choose HS-6 845530 to ensure clarity in your customs documentation.
Keywords & topics
Useful terms traders and brokers use for this HS-4 heading.
metal-rolling mills · hot rolling mills · cold rolling mills · tube mills · metal-rolling rolls · parts for rolling mills · steel production equipment · aluminum rolling · industrial machinery · customs classification
Examples
Drawn from the official tariff wording for this HS-4 heading. Always confirm against your published schedule and legal notes.
- Hot rolling mills for steel production
- Cold rolling mills for aluminum sheets
- Tube mills for producing pipes
- Replacement rolls for rolling mills
- Parts for maintenance of metal-rolling equipment
- Combination hot and cold rolling mills
Common questions
Frequent classification questions with short practical guidance.
How to classify metal-rolling mill parts?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
What is included in HS-4 8455?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Are tube mills classified under HS-4 8455?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are the customs duties for metal-rolling mills?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
How to determine the right HS-6 code for rolling mills?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Related topics
Common real-world topics that come up during code comparison.
classification of metal-rolling mills for import
Check the exact product specs and destination-country tariff notes before finalizing the code.
shipping hot rolling mills internationally
Use this topic to narrow your shortlist, then validate the final code against legal wording.
customs codes for metal-rolling equipment
Check the exact product specs and destination-country tariff notes before finalizing the code.
difference between HS-6 845521 and 845522
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
parts for metal-rolling mills classification
Use this topic to narrow your shortlist, then validate the final code against legal wording.
requirements for importing tube mills
Check the exact product specs and destination-country tariff notes before finalizing the code.
metal-rolling rolls and their HS codes
Use this topic to narrow your shortlist, then validate the final code against legal wording.
understanding HS-4 8455 for trade
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What types of mills are included in HS-4 8455?
- HS-4 8455 includes metal-rolling mills, tube mills, and their rolls and parts.
- How do I classify a hot rolling mill?
- Use **HS-6 845521** for hot or combination hot and cold rolling mills.
- What code should I use for cold rolling mills?
- Classify cold rolling mills under **HS-6 845522**.
- Are replacement rolls for mills classified separately?
- Yes, replacement rolls fall under **HS-6 845530**.
- What if I am shipping parts for rolling mills?
- Use **HS-6 845590** for parts of metal-rolling mills.
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Heading-browse mode uses HS-6 845500 (first line of this block).