5-1/2 inch 20# L80 Type 9Cr Casing from Japan
9Cr martensitic alloy steel seamless casing, 5-1/2 inch, 20 lb/ft, L80 grade with threaded couplings for corrosive CO2 environments in gas wells. Precisely matches HTS 7304.29.31 for alloy steel drilling casing. Enhances longevity in acidic formations.
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 NACE compliance for sour service grades; verify Cr content for alloy status
• Pitfall: declaring as 'stainless' incorrectly
• Use proper dunnage to prevent thread damage