16-inch OD Stainless Steel Sour Service Line Pipe from China
Seamless duplex stainless steel pipe (e.g., 2205 grade) with 16-inch (406.4 mm) OD for sour gas pipelines, resistant to H2S corrosion. Classified in 7304.11.0050 for its seamless stainless steel construction and diameter specs tailored for oil/gas transport.
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
• Obtain NACE MR0175/ISO 15156 certification for sour service to ensure fitness-for-service in H2S environments; critical for customs valuation disputes
• Include hydrostatic test results (>90% SMYS) in documentation to substantiate pipeline-grade strength and prevent reclassification
• Watch for anti-dumping duties on certain stainless grades from Asia; check USTR lists and file scope rulings if applicable