L80 Type 9 Cr13 Casing from Japan
Nonalloy steel L80 Type 9 casing with Cr13 martensitic composition for sour service environments in oil/gas drilling. Fits HTS 7306.29.60 as iron/nonalloy tubing despite chromium content under alloy thresholds. Used to isolate formations in corrosive wells.
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
• Certify NACE MR0175 compliance for sour service to support classification claims
• Detail upset vs non-upset ends in descriptions for accurate duty assessment