# HS code 6815.91: Other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite > HS code 6815.91 covers other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite. It sits in heading 68.15 (articles of stone or of other mineral substances (including carbon fibres, articles of carbon fibres and articles of peat), not elsewhere specified or included) in chapter 68 (articles of stone, plaster, cement, asbestos, mica or similar materials). Other goods of heading 68.15 are classified under 6815.11 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, carbon fibres), 6815.12 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, fabrics of carbon fibres), 6815.13 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, other articles of carbon fibres), 6815.19 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, other) or 2 others. National tariff lines under 6815.91 are live on border.bot for the United States (2 lines, also used by 1 other country). Source: https://border.bot/hs-codes/681591 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 68](https://border.bot/hs-codes/68) / [68.15](https://border.bot/hs-codes/6815) / [6815.91](https://border.bot/hs-codes/681591) ## Key facts - HS code: 6815.91 - Covers: Other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite - Heading: [68.15: Articles of stone or of other mineral substances (including carbon fibres, articles of carbon fibres and articles of peat), not elsewhere specified or included](https://border.bot/hs-codes/6815) - Chapter: [68: Articles of stone, plaster, cement, asbestos, mica or similar materials](https://border.bot/hs-codes/68) - Edition: HS2022 - Duty in the United States: [See its 2 lines](https://border.bot/countries/united-states/hs-codes/681591) ## What this code covers HS code 6815.91 covers other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite. The legal text of the subheading is “Other articles: Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite”, read under “Other articles”, in HS2022. ## What it doesn’t cover Other goods of heading 68.15 are classified under 6815.11 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, carbon fibres), 6815.12 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, fabrics of carbon fibres), 6815.13 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, other articles of carbon fibres), 6815.19 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, other) or 2 others. - [6815.11](https://border.bot/hs-codes/681511) Carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses: Carbon fibres - [6815.12](https://border.bot/hs-codes/681512) Carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses: Fabrics of carbon fibres - [6815.13](https://border.bot/hs-codes/681513) Carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses: Other articles of carbon fibres - [6815.19](https://border.bot/hs-codes/681519) Carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses: Other - [6815.20](https://border.bot/hs-codes/681520) Articles of peat - [6815.99](https://border.bot/hs-codes/681599) Other articles: Other ## How it is structured 6815.91 is a six-digit subheading. Its first two digits, 68, are the chapter; the first four, 6815, are heading 68.15; the last two, 91, identify the subheading within the heading. Countries add their own digits after these six for their national tariff lines. - Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials - Heading 68.15: Articles of stone or of other mineral substances (including carbon fibres, articles of carbon fibres and articles of peat), not elsewhere specified or included - Within the heading: Other articles - Subheading 6815.91: Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite ## In other countries National tariff lines under 6815.91 are live on border.bot for the United States (2 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/681591): 2 lines, used by 1 other country - Previous subheading: [6815.20](https://border.bot/hs-codes/681520) Articles of peat - Next subheading: [6815.99](https://border.bot/hs-codes/681599) Other articles: Other ## Frequently asked questions ### What does HS code 6815.91 cover? HS code 6815.91 covers other articles, containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite. ### Which heading and chapter is HS code 6815.91 in? HS code 6815.91 is in heading 68.15 (articles of stone or of other mineral substances (including carbon fibres, articles of carbon fibres and articles of peat), not elsewhere specified or included) in chapter 68 (articles of stone, plaster, cement, asbestos, mica or similar materials). ### Where are goods of heading 68.15 classified when 6815.91 doesn’t fit? Other goods of heading 68.15 are classified under 6815.11 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, carbon fibres), 6815.12 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, fabrics of carbon fibres), 6815.13 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, other articles of carbon fibres), 6815.19 (carbon fibres; articles of carbon fibres for non-electrical uses; other articles of graphite or other carbon for non-electrical uses, other) or 2 others. ### Which countries’ tariffs list national lines under HS code 6815.91? National tariff lines under 6815.91 are live on border.bot for the United States (2 lines, also used by 1 other country). ## Sources and updates The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026. This page was last updated on 11 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Machine-readable: https://border.bot/hs-codes/681591.json