4-1/2" P110 Alloy Casing for Gas Wells from Japan
High-strength P110 grade seamless alloy steel casing with 10.2 mm wall thickness and 114.3 mm OD, designed for high-pressure gas well applications. Falls under HTS 7304.29.41.10 due to its seamless construction, alloy steel composition, and dimensions suitable for oil/gas drilling. Provides superior yield strength over 110 ksi per API standards.
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
• Include detailed chemical analysis and mechanical test certificates to substantiate alloy steel classification
• Measure and document wall thickness precisely; values ≥12.7mm shift to different statistical suffix
• Check country-of-origin rules as certain alloy casing faces additional Section 232 tariffs