Before We Begin

Notice & Disclosure

TariffsAPI provides duty and tariff estimates for informational purposes only. Results are not legally binding and do not constitute legal advice.

Final classification and duty determinations are made by U.S. Customs and Border Protection (CBP). Users are responsible for verifying classifications and duties prior to importation.

Legal Disclaimer

This service provides structured tariff data derived from publicly available U.S. government sources. It does not:

  • Provide legal advice
  • Issue binding classification rulings
  • Act as a customs broker
  • File entries or transact customs business

TariffsAPI is not affiliated with any government agency and does not create an attorney-client or broker-client relationship.

All data is provided "as is." Users remain solely responsible for the legal accuracy of their customs declarations and compliance decisions.

Logo Tariffs API

HTS 7315.89.30.00 Tariff

HTS 7315.89.30.00 classifies "Over <il>8 mm</il> in diameter" in the US Harmonized Tariff Schedule. Base duty rates below apply to most trade; country of origin can change applicable rates and add additional duties (e.g. Section 301). Use the calculator or API to compute total duty.

  • Type: Base HTS
  • How to use: Base rates apply to most countries (General/Special). Column 2 applies to non-MFN countries. Additional duties (Section 301, 232, IEEPA) may apply by origin; use the calculator or resolve API to get the full picture.
Open Calculator Resolve via API Back to HTS Search

Related explainers:

Chapter 99 Section 301 Section 232 IEEPA

Official HTS Description

Official product classification and description from the Harmonized Tariff Schedule

Product Name

Over <il>8 mm</il> in diameter

HTS Schedule Description

Over <il>8 mm</il> in diameter

Additional Description

Over <il>8 mm</il> in diameter

HS Code

7315.89.30.00

HTS Number

7315.89.30.00

Unit of Quantity

kg

Classification Level

Level 4 (more specific = higher level)

View Official HTS Schedule

Legal Notes & Requirements

Important footnotes and legal requirements for this HTS classification

Endnote See 9903.88.03.
general

See 9903.88.03.

Applies to columns: general
Type: Endnote
Endnote See U.S. note 16 to subchapter III, chapter 99.
general

See U.S. note 16 to subchapter III, chapter 99.

Applies to columns: general
Type: Endnote
Note: These legal notes and footnotes are from the official HTS Schedule and may affect classification, duty rates, or import requirements. Click to expand each note for full details.

Additional Duties (Section 301, 232, etc.)

Country-specific additional tariffs separate from base rates

Show uncertain measures
Clear

Section 301 Uncertain

Trade remedies targeting specific countries

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Applies to: CN

Effective date unknown

Confidence: High (chapter_99_prefix: 9903.88)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Applies to: CN

Effective date unknown

Confidence: High (chapter_99_prefix: 9903.88)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Applies to: CN

Effective date unknown

Confidence: High (chapter_99_prefix: 9903.88)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Applies to: CN

Effective date unknown

Confidence: High (chapter_99_prefix: 9903.88)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Applies to: CN

Effective date unknown

Confidence: High (chapter_99_prefix: 9903.88)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Applies to: CN

Effective date unknown

Confidence: High (chapter_99_prefix: 9903.88)

Unknown Additional Duty Uncertain

Additional trade measures

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Effective date unknown

Confidence: Low (Authority could not be determined from text; manual classification needed; No explicit country scope found in text)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Effective date unknown

Confidence: Low (Authority could not be determined from text; manual classification needed; No explicit country scope found in text; Reference to a Chapter 99 code without specific details on authority, country, or modifications.)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Effective date unknown

Confidence: Low (Authority could not be determined from text; manual classification needed; No explicit country scope found in text; Reference to a Chapter 99 code without specific details on authority, country, or modifications)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Effective date unknown

Confidence: Low (Authority could not be determined from text; manual classification needed; No explicit country scope found in text)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Effective date unknown

Confidence: Low (Authority could not be determined from text; manual classification needed; No explicit country scope found in text; Reference to a Chapter 99 code without specific details on authority, country, or modifications.)

9903.88.03 Reference

See 9903.88.03

Note: Rate not specified in source. Research Chapter 99 code for exact rate.

Effective date unknown

Confidence: Low (Authority could not be determined from text; manual classification needed; No explicit country scope found in text; Reference to Chapter 99 code without specific details on authority or modifications)

Important: These additional duties are separate from base tariff rates and are NOT automatically summed. Always verify with official sources before making import decisions.
Tip: Select a country of origin above to see which measures apply.

Related HTS Codes

Other codes in the same chapter ( 7315)

7315
Chain and parts thereof, of iron or steel:
7315.11.00
Roller chain
General Rate: Free
7315.11.00.05
For motor vehicles
7315.11.00.10
Bicycle chains
7315.11.00.45
Other (7315.11.00.45)
7315.11.00.60
Other (7315.11.00.60)
7315.12.00
Other chain
General Rate: Free
7315.12.00.20
Of not over <il>50 mm</il> pitch and containing more than 3 parts per pitch
7315.12.00.40
Welded steel chain
7315.12.00.60
Cast and combination chain
7315.12.00.80
Other (7315.12.00.80)
7315.19.00.00
Parts
General Rate: Free

Showing up to 12 related codes. Search all HTS codes for more.

Frequently Asked Questions

What is this HTS code?

This is a US Harmonized Tariff Schedule (HTS) code that classifies "Over <il>8 mm</il> in diameter". It determines base duty rates for imports; additional duties may apply by country of origin.

Does origin affect duty?

Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.

How do I compute total duty?

Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.

Duty rates (HTS columns)

Base duty rates and agreement-specific tariffs for this product

Column 1 - General

Normal Trade Relations (NTR/MFN) rates for most countries

Free

Effective: February 02, 2026

Column 1 - Special

No special rate available

Column 2

Higher rates for non-MFN countries

4.7¢/kg

Effective: January 23, 2026

Per Unit: 5¢/piece

Quick Actions

Ask ChatGPT View Official HTS

Recent Changes

5¢/piece → 5¢/piece

about 1 month ago

5¢/piece → 5¢/piece

about 2 months ago

5¢/piece → 5¢/piece

3 months ago

5¢/piece → 5¢/piece

3 months ago

$4.7/piece → 5¢/piece

3 months ago

Free → Free

3 months ago