L450 Alloy Steel Gas Line Pipe 20 Inch from China
20-inch (508 mm max) seamless L450 (X65 equivalent) alloy steel pipe for natural gas transmission lines. HTS 7304.19.5050 covers this diameter-specific seamless alloy line pipe for pipelines.
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
• Certify compliance with ISO 3183 standards alongside API for international acceptance
• Declare exact alloy grade; generic 'steel pipe' invites Customs alloy determination
• Ship in standard 40-ft lengths to avoid 'cut-to-length' processing duty issues