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7304.29.50.60/C-90 Sour Service Casing 12-1/4 inch 45 lb/ft/Japan

C-90 Sour Service Casing 12-1/4 inch 45 lb/ft from Japan

C-90 grade seamless casing optimized for H2S sour service environments in gas wells, 311.2 mm OD. Nonalloy steel with controlled hardness to prevent cracking. Fits 7304.29.50.60 as oil/gas seamless tubing in diameter range.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Certify NACE MR0175 compliance for sour service to support drilling classification

• Mark premium class threads distinctly from API regular

C-90 Sour Service Casing 12-1/4 inch 45 lb/ft from Japan — Import Duty Rate | HTS 7304.29.50.60