13-3/8 Inch 54.5 lb/ft 13Cr Stainless Casing from Canada
13-3/8 inch OD 13Cr (13% Chromium) stainless steel casing with BTC threaded couplings for sour gas service. Seamless construction provides superior corrosion resistance in H2S environments. Perfectly matches HTS 7304.24.30 for threaded stainless steel oil/gas casing.
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
• Include NACE MR0175/ISO 15156 certification for sour service compliance
• Specify exact stainless grade (13Cr-80, 13Cr-110) in commercial invoice to prevent undervaluation disputes
• Provide drift mandrel test certification confirming internal diameter tolerances