7 inch 32 ppf N-80 Type 316L Stainless Tubing from China
Type 316L low-carbon stainless seamless tubing (7 inch OD, N-80 grade) for injection wells in oilfield applications. Used to inject chemicals or water during enhanced recovery operations. Although 7" OD is under 406.4mm, specific large variants exist; primarily illustrates stainless oil tubing specs under 7304.24 series.
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
• 316L requires molybdenum content documentation (2-3%) distinguishing from 304 grades
• For smaller OD imports, confirm exact measurement to avoid 7304.24.30 misclassification