Indonesia reference layer

HS heading 7403 - Refined copper and copper alloys, unwrought

HS heading 7403 in the BTKI/HS tree. View the parent chapter, section, and the 6-digit subheadings parsed from the WCO 2022 structure.

2026 reference 7403 WCO HS 2022 + DJBC BTKI chapter structure
Published: 2026-05-08 Reviewed: 2026-05-08 Authority: WCO HS 2022 + DJBC BTKI chapter structure
Field Value
Code 7403
Level Heading / 4 digits
Chapter Chapter 74
Section Base metals and articles thereof
6-digit subheadings 7
Branch groups 0

Practical summary

Heading 7403 sits inside chapter 74 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

Code Title Route
740311 Cathodes and sections of cathodes 740311
740312 Wire-bars 740312
740313 Billets 740313
740319 Other 740319
740321 Copper-zinc base alloys (brass) 740321
740322 Copper-tin base alloys (bronze) 740322
740329 Other copper alloys (other than master alloys of heading 74.05) 740329

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

Source URL Coverage Tier
WCO HS 2022 https://www.wcotradetools.org/en/harmonized-system/search/2022/en 4-digit headings and 6-digit subheadings official
DJBC BTKI https://www.beacukai.go.id/btki-dan-tarif Indonesia chapter mapping and BTKI context official
INSW tariff lookup https://insw.go.id/intr Existing Indonesian tariff-line examples official

This portal is informational. Confirm the final obligation and competent authority before filing, licensing, payroll, tax, or investment decisions. Read methodology.