A36 Steel Flange 360 mm Minimum ID from Mexico
ASME SA36 structural steel flange precisely 360 mm ID for building service piping. HTS 7307.91.5050 designation for minimum size threshold iron/nonalloy flanges. Common in construction for fire sprinkler systems.
Duty Rate — Mexico → United States
55.5%
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
• A36 certs acceptable but verify tensile strength >58 ksi meets flange pressure requirements
• UL/FM listings required for fire protection system approval