HS Code for Basalt Lined Steel Pipe (US)
PRIMARY CLASSIFICATION RESULT (US)
The primary 6-digit Harmonized System (HS) code for basalt lined steel pipe is 7306.30 (Other, welded, of circular cross section, of iron or nonalloy steel). Under the 2026 US HTS, representative general duties are Free [Official Source].
Classification guidance note.
Candidate Subheadings & Disambiguation Matrix
| HS Subheading | WCO Subheading Description | Disambiguation Rule / Notes | Action |
|---|---|---|---|
| 7306.30 | Other, welded, of circular cross section, of iron or nonalloy steel | Other, welded, of circular cross section, of iron or nonalloy steel | View 7306.30 → |
Official Primary Sources & Authority References
USITC HTS Database ↗
USITC official Harmonized Tariff Schedule for Basalt Lined Steel Pipe.
CBP CROSS Rulings ↗
CBP e-Rulings database for Basalt Lined Steel Pipe classification precedents.
WCO Nomenclature ↗
World Customs Organization international 6-digit Harmonized System standard.
Basalt Lined Steel Pipe Frequently Asked Questions (FAQ)
What is the official 6-digit HS code for Basalt Lined Steel Pipe?
The primary 6-digit Harmonized System (HS) code for Basalt Lined Steel Pipe is HS 7306.30 (Other, welded, of circular cross section, of iron or nonalloy steel).
What is the US general import duty for Basalt Lined Steel Pipe?
Under the 2026 US HTS, representative MFN general duty rates for Basalt Lined Steel Pipe under HS 7306.30 are Free.
Are there alternative candidate subheadings for Basalt Lined Steel Pipe?
Yes. Depending on state (green vs. roasted, decaffeinated vs. non-decaffeinated, raw vs. processed), alternative subheadings include 730630.
What mandatory import documents are required for Basalt Lined Steel Pipe?
Commercial Invoice, Packing List, Bill of Lading, and Partner Government Agency permits where applicable.
Does de minimis duty-free exemption apply to Basalt Lined Steel Pipe?
Eligible shipments enter duty-free under statutory destination thresholds.
How are merchandise processing and customs fees calculated for Basalt Lined Steel Pipe?
Import fees are assessed on entered customs value under destination regulations.