ASTM A420 WPL6 Low-Temp Tee from Japan
Low-temperature carbon steel tee (ASTM A420 WPL6) for butt welding, 400 mm ID for LNG pipeline branches. Falls under HTS 7307.93.90 as large diameter butt welding fitting of steel. Impact-tested for cryogenic service.
Duty Rate — Japan → United States
54.3%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide Charpy impact test results mandatory for low-temp service verification
• Declare normalized/heat-treated condition affecting material properties
• Use nitrogen-purged packaging to prevent oxidation during transit