Cold-Drawn Boiler Tube ASTM A179 from Canada
Seamless carbon steel tube, cold-drawn, with circular cross section, specifically designed for use in fire-tube boilers to convey high-pressure steam and water. Meets ASTM A179 specifications for low-carbon steel suitable for bending and flaring. Classified under 7304.31.60.10 due to its seamless construction and explicit suitability for boilers.
Duty Rate — Canada → 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
• Obtain mill test certificates verifying chemical composition and mechanical properties to confirm suitability for boilers
• Ensure documentation specifies cold-drawn process and end-use to avoid reclassification to general tubes
• Comply with ASME Boiler Code requirements for pressure vessel materials during customs valuation