9-5/8 Inch 36# L80 Type 9Cr Casing from China

L80 Type 9Cr seamless casing pipe, 9-5/8" OD, 36 lb/ft, 9.8 mm wall, BTC connections, technically nonalloy per HTS definition for oil well intermediate strings. Fits 7304.29.10.50 despite Cr content under alloy thresholds.

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

Chemical analysis certificates critical to prove nonalloy status despite Cr addition

Confirm wall thickness with independent inspection to stay under 12.7mm threshold

Use protective caps on threads; damaged ends can void classification