Drill pipe HS code guide 2026

Drill pipes are widely used in oil drilling, gas exploration, geological exploration, mining, and engineering drilling projects. Correct HS code classification is essential for customs clearance, tariff calculation, export tax rebates, and international trade compliance.

This guide provides a complete overview of drill pipe HS codes, including oil drill pipes, geological drill pipes, hollow drill steel, and drill pipe accessories.

What Is the HS Code for Drill Pipe?

The HS code for drill pipe depends mainly on:

Material type

Application

Manufacturing process

Pipe diameter

Whether the product is a finished pipe or accessory

The most common drill pipe HS codes belong to:

HS 7304 — Seamless steel pipes

HS 7228 — Hollow drill steel

HS 8431 — Drilling rig parts and accessories

Quick Drill Pipe HS Code Reference Table

If you need fast classification, use the following reference table.

Complete Drill Pipe HS Code Classification

Different drill pipe products correspond to different customs classifications.

1. HS Codes for Oil and Gas Drill Pipe

Oil and gas drill pipes are the most commonly traded drill pipe products worldwide.

Oil Drill Pipe HS Code Table

Key Declaration Information

When declaring oil drill pipes, customs usually requires:

Pipe outer diameter

Steel material

Application

Manufacturing method

Seamless pipe type

2. HS Codes for Geological Drill Pipe

Geological drill pipes are mainly used for:

Geological exploration

Core drilling

Mineral exploration

Engineering investigation

Geological Drill Pipe HS Code

Product Characteristics

Typical features include:

Alloy steel material

Circular cross-section

Cold-drawn or cold-rolled process

Seamless structure

Common product names include:

Geological drill pipe

Drill casing

Core drilling pipe

3. HS Codes for Hollow Drill Steel and Drill Pipe Blanks

Hollow drill steel is considered a semi-finished raw material used for manufacturing drill pipes.

Hollow Drill Steel HS Code

Typical Applications

This category includes:

Hollow steel billets

Drill pipe blanks

Unthreaded drill pipe semi-products

Additional Declaration Requirements

Customs may additionally require:

Maximum outside dimension

Maximum inside diameter

Steel grade

Alloy composition

HS Codes for Drill Pipe Parts and Accessories

Drill pipe accessories are usually classified under drilling rig parts.

1. Oil and Gas Drill Pipe Accessories

2. Geological and Engineering Drilling Accessories

Common Drill Pipe Declaration Elements

Different HS codes require different declaration details.

Declaration Elements for HS 7304 Series

Typical declaration requirements include:

Pipe specification

Outer diameter

Application

Steel material

Seamless pipe type

Manufacturing process

Declaration Elements for HS 7228800000

Customs may require:

Product application

Product shape

Steel composition

Steel grade

Processing method

Maximum external dimension

Maximum internal diameter

Declaration Elements for HS 8431 Series

Required information usually includes:

Applicable equipment

Brand name

Model number

Product usage

Used Drill Pipe Customs Declaration Tips

Used drill pipes follow the same HS classification principles as new drill pipes.

However, additional declaration requirements usually apply.

Key Customs Declaration Recommendations

1. Clearly Mark “Used” or “Second-Hand”

Examples:

Used oil drill pipe

Second-hand geological drill pipe

2. Provide Product Condition Information

It is recommended to provide:

Remaining wall thickness

Wear condition

Inspection reports

Product photos

3. Confirm Import Regulations in Advance

Some countries apply special controls to used industrial equipment and second-hand drilling products.

Always confirm:

Import license requirements

Inspection requirements

Environmental regulations

Why Correct Drill Pipe HS Classification Matters

Correct HS code classification helps companies:

Reduce customs clearance risks

Avoid tariff disputes

Improve declaration efficiency

Prevent shipment delays

Ensure trade compliance

For international drill pipe trade, accurate classification is especially important because customs authorities often review:

Product material

Drilling application

Pipe dimensions

Manufacturing method

FAQ

1. What is the HS code for oil drill pipe?

Common oil drill pipe HS codes include 7304231000 and 7304239000.

2. What is the HS code for stainless steel drill pipe?

Stainless steel drill pipes are usually classified under 7304221000 or 7304229000.

3. Which HS code is used for geological drill pipe?

Geological drill pipes are commonly classified under 7304512000.

4. What is the HS code for drill pipe accessories?

Most drill pipe accessories use HS codes 8431431000 or 8431432000.

5. Does used drill pipe use a different HS code?

No. Used drill pipes normally use the same HS code as new products.