12-1/4 Inch V150 Sour Service Casing from Germany
Seamless V150 alloy steel casing optimized for H2S sour service, 12-1/4 inch (311.15 mm) OD, 17 mm wall thickness. Classifies HTS 7304.29.4160 as other alloy seamless casing in OD range with heavy wall for structural support.
Duty Rate — Germany → 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
• NACE MR0175/ISO 15156 certification mandatory for sour service alloy classification
• Wall thickness variation tolerance must be documented (<12.5% under nominal)
• Ensure invoice specifies 'casing' not 'tubing' to avoid 7304.23 misclassification