9Cr-1Mo Seamless Alloy Line Pipe for High-Temp Gas Lines from China
9Cr-1Mo alloy steel seamless line pipe rated for elevated temperatures in gas pipelines, offering creep resistance and oxidation protection. Classified in HTS 7304.19.50 for its seamless alloy steel construction dedicated to gas pipeline service. Suitable for processing plant tie-ins and distribution lines.
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
• Include heat treatment records proving normalized and tempered condition for high-temp rating
• Declare exact alloy percentages (e.g
• 9% Cr, 1% Mo) to avoid stainless misclassification