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"2-7/8\" 7.90 from China

Martensitic stainless alloy seamless tubing 2-7/8" OD, 7.90 lb/ft for CO2 corrosion resistance in production tubing. Wall thickness 7.44 mm suits horizontal completions. Although stainless, classified as 'other alloy' drilling tubing under 7304.29.61.15.

Duty Rate — China → United States

35%

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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

Distinguish from austenitic SS which uses 7304.29.31; martensitic often 'other alloy'

Provide pitting resistance equivalent number (PREN) calculations

Threading tolerance docs prevent fitting classification