Martensitic 13-5PH Alloy Seamless Line Pipe from Mexico
13-5PH precipitation-hardening martensitic alloy seamless line pipe for aggressive oilfield pipeline conditions. Fits HTS 7304.19.50 as other alloy steel seamless line pipe, leveraging PH properties for strength without full stainless designation. Used in HP/HT reservoir tiebacks.
Duty Rate — Mexico → 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
• Provide PH heat treatment and hardness test results for alloy verification
• Use end-user affidavits confirming pipeline vs. downhole application