United States of America HS Code

HS Code 730300: Tubes, pipes and hollow profiles, of cast iron in United States of America

Q: Is HS code 730300 the same across all countries?

Yes — up to the 6-digit level, HS code 730300 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. United States of America extends it under HTS / HTSUS.

Q: What system does United States of America use to classify HS code 730300?

United States of America classifies products under the Harmonized Tariff Schedule of the United States (HTS / HTSUS; locally Harmonized Tariff Schedule), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 730300 in United States of America?

The official source is https://www.cbp.gov/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 730300 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 730300 is the WCO Harmonized System subheading for Tubes, pipes and hollow profiles, of cast iron. This is the most detailed internationally standardized level; United States of America extends classifications to 10 digits under its national tariff system. 730300 belongs to Section XV: Base metals and articles of base metal, Chapter 73: Articles of iron or steel, Heading 7303: Tubes, pipes and hollow profiles, of cast iron.

Explore more 2026 Latest United States of America import export trade data and shipment records for HS Code Cast Iron Pipes and Profiles on TradeInt global trade data platform

Classification Path of HS Code 730300 in United States of America

Section XV

Chapters (72-83) Base metals and articles of base metal

Chapter 73

Articles of iron or steel

HS Code 7303

Tubes, pipes and hollow profiles, of cast iron

HS Code 730300

Tubes, pipes and hollow profiles, of cast iron

HS Code 73030000

Tubes, pipes and hollow profiles, of cast iron

HS Code 7303000030

Soil pipe

HS Code 7303000060

Pressure pipe with an inside diameter of less than 356 mm

HS Code 7303000090

Other

United States of America Tariff Classification: Harmonized Tariff Schedule of the United States (HTS / HTSUS)

In United States of America, HS 730300 is classified under the Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized Tariff Schedule of the United States (HTS / HTSUS)

Local name Harmonized Tariff Schedule

Digits 10

Official source https://www.cbp.gov/

You know what 730300 means. Now see 2026 latest real trade activity for Cast Iron Pipes and Profiles in United States of America.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 7303

Top United States of America import Product Under HS Code 7303

1 730300: Tubes, pipes and hollow profiles, of cast iron $38.4M

Figures shown for 2025.

For more 2026 recent data, search for United States of America import trade records

Top United States of America export Product Under HS Code 7303

1 730300: Tubes, pipes and hollow profiles, of cast iron $45.4M

Figures shown for 2025.

For more 2026 recent data, search for United States of America export trade records

Related HS Code to United States of America Cast Iron Pipes and Profiles (730300)

HS Code 73030000

Tubes, pipes and hollow profiles, of cast iron

HS Code 7303000030

Soil pipe

HS Code 7303000060

Pressure pipe with an inside diameter of less than 356 mm

Angles, shapes and sections

HS Code 730210

Rails

HS Code 730230

Switch blades, crossing frogs, point rods and other crossing pieces

HS Code 730240

Fishplates and sole plates

HS Code 730290

Other

Frequently Asked Questions

What is HS code 730300 in United States of America?

HS code 730300 covers Tubes, pipes and hollow profiles, of cast iron in United States of America. It sits in Chapter 73 (Articles of iron or steel), Heading 7303 of the Harmonized System, and is classified under HTS / HTSUS.

Is HS code 730300 the same across all countries?

What system does United States of America use to classify HS code 730300?

Where can I officially look up HS code 730300 in United States of America?