4-1/2 inch 14.6 lb/ft 13Cr Stainless Steel Casing from China
Seamless 13Cr (13% chromium) stainless steel casing with 114.3 mm OD and 15.2 mm wall thickness, used in slim-hole oil and gas wells for corrosion resistance. Classified under HTS 7304.24.4020 for its stainless steel composition, seamless production, small diameter casing application, and thick wall exceeding 12.7 mm. Ideal for high-pressure, corrosive formations.
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
• Provide heat treatment records and PMI (Positive Material Identification) tests confirming 13Cr stainless steel alloy to avoid reclassification
• Document exact wall thickness measurement method (e.g
• ultrasonic) as Customs may inspect for ≥12.7 mm compliance