14 Inch V150 Sour Service Casing from Japan
V150 grade seamless alloy steel casing optimized for H2S sour service, 14 inch (355.6 mm) OD, 10.9 mm wall, EUE/HTC threads, used in corrosive gas well environments. Classified in HTS 7304.29.31.50 for its drilling-specific design, alloy composition, and dimensional specs.
Duty Rate — Japan → United States
50%
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 HIC/SSCC test results for sour service compliance; absence causes reclassification risks
• Label exact alloy type (e.g
• 13Cr, duplex) as it affects duty but stays within alloy heading