7304.39.00.06/Seamless Boiler Tube 250mm OD ASTM A106 Grade B/Mexico

Seamless Boiler Tube 250mm OD ASTM A106 Grade B from Mexico

A seamless carbon steel tube with an outside diameter of 250 mm, designed specifically for high-pressure boiler applications in power plants. It meets ASTM A106 Grade B specifications for elevated temperature service and is suitable for use in boilers and superheaters due to its seamless construction ensuring pressure integrity. Classified under 7304.39.0006 for its circular cross-section, non-alloy steel composition, and OD range of 190.5-285.8 mm.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Verify seamless construction via mill test certificates (MTC) as welded tubes shift to 7304.90 or Chapter 73 headings

• Ensure ASTM/ANSI material specs match; non-compliance leads to reclassification or penalties

• Provide end-use documentation proving boiler/superheater suitability to avoid general pipe duties