7 Inch K-55 BTC Coupled Casing from Japan
K-55 grade 7-inch casing with Buttress Threaded and Coupled (BTC) connections for production zones in gas wells. Under HTS 7306.29.31.00 for its welded, threaded design tailored to oil/gas drilling. Offers balanced strength and cost for intermediate applications.
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
• Use ISPM-15 certified wooden dunnage for shipping to prevent quarantine issues
• Document exact coupling type (BTC, STC) as mismatches cause rejections