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

7305.90.50.00 - Of alloy steel 🖩

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 Duty10%
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, 7305.90.50.00, specifically classifies "other" tubes and pipes of iron or steel that have circular cross-sections with an external diameter exceeding 406.4 mm, and are manufactured from alloy steel. These are typically large-diameter pipes used in various industrial applications where enhanced strength, corrosion resistance, or other specialized properties are required, properties derived from the addition of specific alloying elements to the base iron or steel.

This category is distinguished from its sibling, 7305.90.10.00 ("Of iron or nonalloy steel"), by the fundamental material composition. While both cover large-diameter tubes and pipes, this classification exclusively applies to those made with alloy steel, which is defined by the presence of one or more alloying elements in quantities sufficient to impart specific properties. Non-alloy steel, conversely, contains only incidental amounts of alloying elements.

As this is a leaf node within the HTS structure, there are no further subcategories to introduce. Therefore, the focus for classification within this specific code is on confirming the material is indeed alloy steel, alongside the existing criteria of circular cross-section and an external diameter exceeding 406.4 mm for tubes and pipes not covered by more specific provisions within heading 7305.

Frequently Asked Questions

›What is HTS code 7305.90.50.00?
HTS code 7305.90.50.00 covers Of alloy steel under the US Harmonized Tariff Schedule. It falls under Chapter 73: Articles of iron or steel.
›What products are classified under 7305.90.50.00?
This classification covers Of alloy steel. It is a subcategory of Other: (7305.90).
›What is the import duty rate for 7305.90.50.00?
The general rate of duty for HTS 7305.90.50.00 is Free. The Column 2 rate is 10%.
›What unit of quantity is used for 7305.90.50.00?
Imports under HTS 7305.90.50.00 are measured in kg.

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