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What is UN 3170?

UN 3170: Aluminum smelting by-products or Aluminum remelting by-products. US class 4.3; PG II, III.

Source: US Government Publishing Office, 49 CFR 172.101 HMTRetrieved 2026-11-06Independent information site: we are not the authority and not the source of the data.

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UN number
UN 3170
Proper shipping name (first listed)
Aluminum smelting by-products or Aluminum remelting by-products
US class or division (first name)
4.3
Packing groups (first name)
II, III
Source rows for this UN number
2
Table jurisdiction
United States HMT; not an ADR table
Version
49 CFR 172.101, revised 1 October 2025
Official source
US Government Publishing Office, 49 CFR 172.101 HMT

Source row 165

Proper shipping name: Aluminum smelting by-products or Aluminum remelting by-products.

Full column-2 description: Aluminum smelting by-products or Aluminum remelting by-products

US hazard class or division: 4.3. Packing group: II.

Column-1 symbols: Blank in source.

Source row 166

Proper shipping name: Aluminum smelting by-products or Aluminum remelting by-products.

Full column-2 description: Aluminum smelting by-products or Aluminum remelting by-products

US hazard class or division: 4.3. Packing group: III.

Column-1 symbols: Blank in source.

Before shipping

Check the current ADR edition before shipping. This is a US HMT reference snapshot, not ADR classification or shipping, legal or safety advice.

This page omits the other HMT columns. Check the full official table, its symbols and applicable provisions for your consignment.

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