Hong Kong, China Special Administrative Region HS Code

HS Code 730621: Casing and tubing of a kind used in drilling for oil or gas : Welded, of stainless steel in Hong Kong, China Special Administrative Region

Q: Is HS code 730621 the same across all countries?

Yes — up to the 6-digit level, HS code 730621 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Hong Kong, China Special Administrative Region extends it under HKHS.

Q: What system does Hong Kong, China Special Administrative Region use to classify HS code 730621?

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 730621 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 730621 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 730621 is the WCO Harmonized System subheading for Casing and tubing of a kind used in drilling for oil or gas : Welded, of stainless steel. This is the most detailed internationally standardized level; Hong Kong, China Special Administrative Region extends classifications to 8 digits under its national tariff system. 730621 belongs to Section XV: Base metals and articles of base metal, Chapter 73: Articles of iron or steel, Heading 7306: Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel.

Explore more 2026 Latest Hong Kong, China Special Administrative Region import export trade data and shipment records for HS Code Welded Stainless Casing Tubing on TradeInt global trade data platform

Classification Path of HS Code 730621 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 7306

Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel

HS Code 730621

Casing and tubing of a kind used in drilling for oil or gas : Welded, of stainless steel

HS Code 73062100

CASING AND TUBING, OF A KIND USED IN DRILLING FOR OIL OR GAS, WELDED, OF STAINLESS STEEL, NESOI 不銹鋼套管及導管，經焊接，鑽探石油或氣體用，未列明或未包括在其他編號

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

In Hong Kong, China Special Administrative Region, HS 730621 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 730621 means. Now see 2026 latest real trade activity for Welded Stainless Casing Tubing in Hong Kong, China Special Administrative Region.

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

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Top Trading Product of HS Code 7306

Top Hong Kong, China Special Administrative Region import Product Under HS Code 7306

1 730630: Other, welded, of circular crosssection, of iron or nonalloy steel $62.4M 2 730640: Other, welded, of circular crosssection, of stainless steel $7.5M 3 730661: Other, welded, of noncircular crosssection : Of square or rectangular crosssection $6.0M

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 7306

1 730630: Other, welded, of circular crosssection, of iron or nonalloy steel $2.0M 2 730661: Other, welded, of noncircular crosssection : Of square or rectangular crosssection $1.6M 3 730640: Other, welded, of circular crosssection, of stainless steel $1.3M

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 Welded Stainless Casing Tubing (730621)

HS Code 73062100

CASING AND TUBING, OF A KIND USED IN DRILLING FOR OIL OR GAS, WELDED, OF STAINLESS STEEL, NESOI

HS Code 730611

Line pipe of a kind used for oil or gas pipelines : Welded, of stainless steel

HS Code 730619

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

HS Code 730629

Casing and tubing of a kind used in drilling for oil or gas : Other

HS Code 730630

Other, welded, of circular crosssection, of iron or nonalloy steel

HS Code 730640

Other, welded, of circular crosssection, of stainless steel

HS Code 730650

Other, welded, of circular crosssection, of other alloy steel

HS Code 730661

Other, welded, of noncircular crosssection : Of square or rectangular crosssection

HS Code 730669

Other, welded, of noncircular crosssection : Of other noncircular crosssection

HS Code 730690

Other

Frequently Asked Questions

What is HS code 730621 in Hong Kong, China Special Administrative Region?

HS code 730621 covers Casing and tubing of a kind used in drilling for oil or gas : Welded, of stainless steel in Hong Kong, China Special Administrative Region. It sits in Chapter 73 (Articles of iron or steel), Heading 7306 of the Harmonized System, and is classified under HKHS.

Is HS code 730621 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 730621?

Where can I officially look up HS code 730621 in Hong Kong, China Special Administrative Region?