13-3/8 inch 48 lb/ft 13Cr Casing from China
Corrosion-resistant 13Cr (13% chromium) L80 alloy steel seamless casing, 13-3/8 inch OD, 48 lb/ft, 13.0 mm wall thickness, BTC threaded coupled. HTS 7304.29.31.60 applies to this heavy-wall seamless other alloy steel drill casing in specified OD range. Used in CO2 and H2S-prone formations.
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
• Document chromium content (>10.5%) via PMI testing to confirm 'other alloy steel' vs stainless classification
• Use protective coatings during ocean transport to prevent thread damage claims at customs