Sour Service Forged Tool Joint from Mexico
Forged tool joint certified for sour service (H2S environments) in oil/gas wells containing hydrogen sulfide, made from NACE MR0175 compliant steel. HTS 8431.43.8020 includes these specialized oilfield connections.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• NACE MR0175/ISO 15156 certificates mandatory for sour service validation
• SSCC (sulfide stress cracking) test reports prevent safety holds