Haynes 230 Superheater Tube from China
Seamless Haynes 230 nickel-chromium alloy tube for gas turbine superheaters and industrial boilers. Exceptional high-temperature strength. 7304.59.20.30 classification for heat-resisting steel, seamless, circular, superheater use.
Duty Rate — China → United States
75%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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
• Haynes material certification mandatory; aerospace derivative documentation; high value requires detailed inventory control