Viet Nam HS Code

HS Code 730520: Casing of a kind used in drilling for oil or gas in Viet Nam

Q: Is HS code 730520 the same across all countries?

Yes — up to the 6-digit level, HS code 730520 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Viet Nam extends it under AHTN-VN.

Q: What system does Viet Nam use to classify HS code 730520?

Viet Nam classifies products under the Vietnam Tariff Schedule (AHTN-VN; locally Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)), which extends HS codes to 8 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 730520 in Viet Nam?

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

What is HS Code 730520 in Viet Nam

Under Viet Nam's Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)), HS Code 730520 is the WCO Harmonized System subheading for Casing of a kind used in drilling for oil or gas. This is the most detailed internationally standardized level; Viet Nam extends classifications to 8 digits under its national tariff system. 730520 belongs to Section XV: Base metals and articles of base metal, Chapter 73: Articles of iron or steel, Heading 7305: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel.

Explore more 2026 Latest Viet Nam import export trade data and shipment records for HS Code Large Welded Oil Casing on TradeInt global trade data platform

Classification Path of HS Code 730520 in Viet Nam

Section XV

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

Chapter 73

Articles of iron or steel

HS Code 7305

Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel

HS Code 730520

Casing of a kind used in drilling for oil or gas

HS Code 73052000

Casing of a kind used in drilling for oil or gas Ống chống sử dụng trong khoan dầu hoặc khí

Viet Nam Tariff Classification: Vietnam Tariff Schedule (AHTN-VN)

In Viet Nam, HS 730520 is classified under the Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Vietnam Tariff Schedule (AHTN-VN)

Local name Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)

Digits 8

Official source https://www.customs.gov.vn/

You know what 730520 means. Now see 2026 latest real trade activity for Large Welded Oil Casing in Viet Nam.

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

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Top Trading Product of HS Code 7305

Top Viet Nam import Product Under HS Code 7305

1 730531: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel : Other, welded : Longitudinally welded $41.0M 2 730539: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel : Other, welded : Other $5.5M 3 730519: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel : Line pipe of a kind used for oil or gas pipelines : Other $3.3M

Figures shown for 2023.

For more 2026 recent data, search for Viet Nam import trade records

Top Viet Nam export Product Under HS Code 7305

1 730539: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel : Other, welded : Other $9.2M 2 730590: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel : Other $480.7K 3 730531: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406,4 mm, of iron or steel : Other, welded : Longitudinally welded $464.9K

Figures shown for 2023.

For more 2026 recent data, search for Viet Nam export trade records

Related HS Code to Viet Nam Large Welded Oil Casing (730520)

HS Code 73052000

Casing of a kind used in drilling for oil or gas

HS Code 730511

Line pipe of a kind used for oil or gas pipelines : Longitudinally submerged arc welded

HS Code 730512

Line pipe of a kind used for oil or gas pipelines : Other, longitudinally welded

HS Code 730519

Line pipe of a kind used for oil or gas pipelines : Other

HS Code 730531

Other, welded : Longitudinally welded

HS Code 730539

Other, welded : Other

Angles, shapes and sections

HS Code 730210

Rails

Frequently Asked Questions

What is HS code 730520 in Viet Nam?

HS code 730520 covers Casing of a kind used in drilling for oil or gas in Viet Nam. It sits in Chapter 73 (Articles of iron or steel), Heading 7305 of the Harmonized System, and is classified under AHTN-VN.

Is HS code 730520 the same across all countries?

What system does Viet Nam use to classify HS code 730520?

Where can I officially look up HS code 730520 in Viet Nam?