HS code 730423: Casing
- Covers:
- Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel not listed under the other codes in this heading.
- Not covered:
- 730411 (Line pipe of a kind used for oil or gas…); 730419 (Line pipe of a kind used for oil or gas…); 730422 (Casing, tubing and drill pipe, of a kind used in…); and others.
- Listed US duty:
- 0% (US general rate, HTS 2026)
Official description
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel : Casing, tubing and drill pipe, of a kind used in drilling for oil or gas : Other drill pipe
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 730423 covers and what it doesn’t
Official text: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel › Casing, tubing and drill pipe, of a kind used in drilling for oil or gas › Other drill pipe.
This is the “other” line of heading 7304 (tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel). It takes goods of that heading that no more specific subheading names. These go elsewhere:
- 730411 Line pipe of a kind used for oil or gas pipelines — Of stainless steel
- 730419 Line pipe of a kind used for oil or gas pipelines — Other
- 730422 Casing, tubing and drill pipe, of a kind used in drilling for oil or gas — Drill pipe of stainless steel
- 730424 Casing, tubing and drill pipe, of a kind used in drilling for oil or gas — Other, of stainless steel
- 730429 Casing, tubing and drill pipe, of a kind used in drilling for oil or gas — Other
- 730431 Other, of circular cross-section, of iron or non-alloy steel — Cold-drawn or cold-rolled (cold-reduced)
- 730439 Other, of circular cross-section, of iron or non-alloy steel — Other
- 730441 Other, of circular cross-section, of stainless steel — Cold-drawn or cold-rolled (cold-reduced)
- 730449 Other, of circular cross-section, of stainless steel — Other
- 730451 Other, of circular cross-section, of other alloy steel — Cold-drawn or cold-rolled (cold-reduced)
- 730459 Other, of circular cross-section, of other alloy steel — Other
- 730490 Other
Nearby codes to check
- Heading 7304 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: every subheading side by side.
US duty rate
0%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Who imports under 730423
EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 730423 →
Common questions
- What is HS code 730423?
- Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel : Casing, tubing and drill pipe, of a kind used in drilling for oil or gas : Other drill pipe
- What duty rates apply to 730423?
- Listed duty rates range from 0% across 1 country rate.
Browse all of Chapter 73: Articles of iron or steel →
Go beyond the code
Classify a product and check the duty for your destination with the CLI, then keep researching in your own agent.