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Nitrided Alloy Steel Mandrel Bar Tube

Surface-nitrided 4340 alloy steel hollow mandrel bars used in tube drawing operations. It is classified under tariff item 7306.90.00 as a specialized alloy steel hollow profile in metalworking.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFreeβ€”Free
πŸ‡²πŸ‡½MexicoFreeβ€”Free
πŸ‡ΊπŸ‡ΈUnited StatesFree+50.0%50%
πŸ‡©πŸ‡ͺGermanyFreeβ€”Free
πŸ‡―πŸ‡΅JapanFreeβ€”Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7304.49.00Same rate: Free

If the bars are seamless

Seamless tubes of alloy steel, other than stainless, are classified under heading 7304.

8466.94.10Same rate: Free

If the bars are part of a complete tube-drawing machine

Parts of machine tools are classified under heading 8466.

7306.30.00Same rate: Free

If the bars are welded and of circular cross-section

Welded tubes of circular cross-section, of iron or non-alloy steel, are classified under this subheading.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β€” and can price the duty on it in the same conversation.

Import Tips & Compliance

β€’ Ensure the mandrel bars are not classified as parts of metalworking machinery under Chapter 84, which could change classification

β€’ Provide documentation showing the nitriding process and alloy steel grade

β€’ Be prepared to demonstrate that the bars are raw materials, not finished articles

Related Products under Tariff item 7306.90.00

17-4PH Stainless Alloy Steel Hollow Bar

A precipitation-hardened 17-4PH stainless alloy steel hollow bar, machined from tube for use in valve bodies and pump shafts. It qualifies as an 'other' tube or hollow profile of iron or steel under tariff item 7306.90.00 because it is not specifically classified elsewhere in the chapter.

Alloy Steel Bicycle Frame Tube Set

A pre-cut, mitered tube set made from 4130 chromoly alloy steel, intended for custom bicycle frame fabrication. Each individual tube is classified under tariff item 7306.90.00 as an 'other' alloy steel hollow profile, as they are not welded or seamless tubes of a specific type listed elsewhere.

Alloy Steel DOM Tubing for Automotive Roll Cages

Drawn-over-mandrel (DOM) tubing made from 4130 alloy steel, with a round profile, used for racing car roll cage construction. It falls under tariff item 7306.90.00 as an 'other' tube of alloy steel, not being a line pipe, casing, or other specific type.

Alloy Steel Fitness Equipment Frame Tube

DOM or welded 4130 alloy steel tubing used for weightlifting racks and gym equipment frames. It is classified under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, as it is not a specific type of tube listed elsewhere in the chapter.

Alloy Steel Furniture Frame Tubing

Welded oval or rectangular tubing made from 4130 or 4140 alloy steel, used for high-end office furniture legs and frames. It falls under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, not being a structural section of heading 7308.

Alloy Steel Gun Barrel Blank Tube

Deep-hole drilled 4140/416R alloy steel blanks used for rifle barrel manufacturing. It is classified under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, as it is not a specific type of tube listed elsewhere in the chapter.