💾 Data Updated: Latest version • Last updated: December 09, 2025

7304.29.31.30 - Having a wall thickness less than 12.7 mm 🖩

Details

FieldValue
Unit of Quantitykg
General Rate of Duty (Column 1 - General)Free
Special Rate of Duty (Column 1 - Special)N/A
Column 2 Rate of Duty28%
Quota QuantityN/A
Additional DutiesN/A
About Duty Rates: Rates are divided into Column 1 and Column 2. Column 1 is subdivided into General (normal trade relations rates for all countries not eligible for special programs) and Special (preferential rates for countries with free trade agreements or preference programs). Column 2 rates apply to products from Cuba, North Korea, Belarus, and Russia. When no special rate exists for a classification, General rates apply.

Overview

This HTS category, 7304.29.31.30, specifically classifies seamless pipes and tubes of iron or steel designed for drilling for oil or gas. These are further defined as casing, belonging to the "other alloy steel" subcategory, and are characterized by being threaded or coupled for connection. Crucially, this classification is for casing with an outside diameter ranging from 215.9 mm to 285.8 mm and a wall thickness that is less than 12.7 mm.

The primary distinguishing factor for this classification lies in its specific wall thickness. It differentiates from its sibling category, 7304.29.31.40, which covers casing of the same outside diameter and material type but possesses a wall thickness of 12.7 mm or greater. Both classifications fall under the broader heading of casing used in oil and gas drilling, are made from alloy steel, and are threaded or coupled, but the precise wall thickness is the determinant for entry into either 7304.29.31.30 or its sibling.

As a leaf node, this classification does not have further subcategories. Therefore, classification decisions within this specific code rely entirely on meeting the stated criteria for outside diameter, wall thickness, material type (other alloy steel), and functional characteristic (threaded or coupled for oil and gas drilling casing). Importers and exporters must meticulously verify these physical and functional attributes to ensure correct classification.

Frequently Asked Questions

›What is HTS code 7304.29.31.30?
HTS code 7304.29.31.30 covers Having a wall thickness less than 12.7 mm under the US Harmonized Tariff Schedule. It falls under Chapter 73: Articles of iron or steel.
›What products are classified under 7304.29.31.30?
This classification covers Having a wall thickness less than 12.7 mm. It is a subcategory of Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm:.
›What is the import duty rate for 7304.29.31.30?
The general rate of duty for HTS 7304.29.31.30 is Free. The Column 2 rate is 28%.
›What unit of quantity is used for 7304.29.31.30?
Imports under HTS 7304.29.31.30 are measured in kg.

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