13-3/8 Inch N80-Type Welded Stainless Casing from China
13-3/8 inch welded stainless steel casing equivalent to N80 grade for surface casing in onshore oil drilling, offering high collapse resistance and weld seam integrity. Used to stabilize the upper wellbore sections. HTS 7306.21.40.00 applies to this other welded stainless casing category.
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
• Provide non-destructive testing (NDT) reports for welds to satisfy importer security filing (ISF) and customs exam requirements
• Avoid common pitfall of undervaluing based on weight; use transaction value with freight-inclusive pricing
• Register with PipeLogix or similar for traceability if re-exporting to Gulf of Mexico rigs