Indonesia reference layer

HS heading 7305 - Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel

HS heading 7305 in the BTKI/HS tree. View the parent chapter, section, and the 6-digit subheadings parsed from the WCO 2022 structure.

2026 reference 7305 WCO HS 2022 + DJBC BTKI chapter structure
Published: 2026-05-08 Reviewed: 2026-05-08 Authority: WCO HS 2022 + DJBC BTKI chapter structure
FieldValue
Code7305
LevelHeading / 4 digits
ChapterChapter 73
SectionBase metals and articles thereof
6-digit subheadings7
Branch groups0

Practical summary

Heading 7305 sits inside chapter 73 and groups a product family before you select the more specific 6-digit subheading. This layer uses the WCO 2022 nomenclature as the structural base and routes you back to Indonesia’s BTKI for final customs decisions.

6-digit subheadings

CodeTitleRoute
730511Longitudinally submerged arc welded730511
730512Other, longitudinally welded730512
730519Other730519
730520Casing of a kind used in drilling for oil or gas730520
730531Longitudinally welded730531
730539Other730539
730590Other730590

How to use this page

Use this heading to lock the product family, then move down to the 6-digit subheading before checking any more specific Indonesian tariff line. If the product is still ambiguous, re-check its technical specification, composition, and function against the official BTKI/INSW tools.

Sources

SourceURLCoverageTier
WCO HS 2022https://www.wcotradetools.org/en/harmonized-system/search/2022/en4-digit headings and 6-digit subheadingsofficial
DJBC BTKIhttps://www.beacukai.go.id/btki-dan-tarifIndonesia chapter mapping and BTKI contextofficial
INSW tariff lookuphttps://insw.go.id/intrExisting Indonesian tariff-line examplesofficial

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