Hong Kong, China Special Administrative Region HS Code

HS Code 73051900: LINE PIPE FOR OIL OR GAS PIPELINES, OF CIRCULAR CROSS-SECTION, EXTERNAL DIAMETER >406.4 MM, WELDED (OTHER THAN LONGITUDINALLY WELDED), RIVETED OR SIMILARLY CLOSED, OF IRON OR STEEL in Hong Kong, China Special Administrative Region

Q: Is HS code 73051900 the same across all countries?

Only the first 6 digits of HS code 73051900 are internationally harmonized. The remaining digits are added by Hong Kong, China Special Administrative Region under HKHS and are not directly comparable to other countries' codes.

Q: What system does Hong Kong, China Special Administrative Region use to classify HS code 73051900?

Hong Kong, China Special Administrative Region classifies products under the Hong Kong Harmonized System (HKHS; locally 香港協調制度), 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 73051900 in Hong Kong, China Special Administrative Region?

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

What is HS Code 73051900 in Hong Kong, China Special Administrative Region

Under Hong Kong, China Special Administrative Region's Hong Kong Harmonized System (香港協調制度), HS Code 73051900 is classified as LINE PIPE FOR OIL OR GAS PIPELINES, OF CIRCULAR CROSS-SECTION, EXTERNAL DIAMETER >406.4 MM, WELDED (OTHER THAN LONGITUDINALLY WELDED), RIVETED OR SIMILARLY CLOSED, OF IRON OR STEEL. Hong Kong, China Special Administrative Region's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 73051900 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 Hong Kong, China Special Administrative Region import export trade data and shipment records for HS Code Other Welded Large Line Pipe on TradeInt global trade data platform

Classification Path of HS Code 73051900 in Hong Kong, China Special Administrative Region

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 73051900

LINE PIPE FOR OIL OR GAS PIPELINES, OF CIRCULAR CROSS-SECTION, EXTERNAL DIAMETER >406.4 MM, WELDED (OTHER THAN LONGITUDINALLY WELDED), RIVETED OR SIMILARLY CLOSED, OF IRON OR STEEL 鋼鐵道管，作輸油或輸氣管用，焊接（縱向焊接除外）、鉚接或以類似方法接合，圓形截面，外圍直徑超過406.4毫米

Hong Kong, China Special Administrative Region Tariff Classification: Hong Kong Harmonized System (HKHS)

In Hong Kong, China Special Administrative Region, HS 73051900 is classified under the Hong Kong Harmonized System (香港協調制度) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Hong Kong Harmonized System (HKHS)

Local name 香港協調制度

Digits 8

Official source https://www.customs.gov.hk/en/home/index.html

You know what 73051900 means. Now see 2026 latest real trade activity for Other Welded Large Line Pipe in Hong Kong, China Special Administrative Region.

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

Search 2026 Latest Hong Kong, China Special Administrative Region Import Data Search 2026 Latest Hong Kong, China Special Administrative Region Export Data

Top Trading Product of HS Code 7305

Top Hong Kong, China Special Administrative Region import Product Under HS Code 7305

1 730531: Other, welded : Longitudinally welded $9.7M 2 730511: Line pipe of a kind used for oil or gas pipelines : Longitudinally submerged arc welded $2.7M 3 730539: Other, welded : Other $2.7M

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region import trade records

Top Hong Kong, China Special Administrative Region export Product Under HS Code 7305

1 730511: Line pipe of a kind used for oil or gas pipelines : Longitudinally submerged arc welded $17.5M 2 730531: Other, welded : Longitudinally welded $318.3K 3 730539: Other, welded : Other $117.5K

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region export trade records

Related HS Code to Hong Kong, China Special Administrative Region Other Welded Large Line Pipe (73051900)

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 730520

Casing of a kind used in drilling for oil or gas

HS Code 730531

Other, welded : Longitudinally welded

HS Code 730539

Other, welded : Other

Angles, shapes and sections

HS Code 730210

Rails

HS Code 730230

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

73051900 in Other Countries

See how 73051900 (Other Welded Large Line Pipe) is classified across other countries, each with its own national code and local description.

Compare 73051900 across countries

Frequently Asked Questions

What is HS code 73051900 in Hong Kong, China Special Administrative Region?

HS code 73051900 covers LINE PIPE FOR OIL OR GAS PIPELINES, OF CIRCULAR CROSS-SECTION, EXTERNAL DIAMETER >406.4 MM, WELDED (OTHER THAN LONGITUDINALLY WELDED), RIVETED OR SIMILARLY CLOSED, OF IRON OR STEEL in Hong Kong, China Special Administrative Region. It sits in Chapter 73 (Articles of iron or steel), Heading 7305 of the Harmonized System, and is classified under HKHS.

Is HS code 73051900 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 73051900?

Where can I officially look up HS code 73051900 in Hong Kong, China Special Administrative Region?