16 Inch Intermediate Casing C110 Alloy from China
16-inch C110 grade high-collapse alloy steel intermediate casing welded for multi-stage oil well construction, plain ends. Under HTS 7306.29.41.00 as other iron/steel casing for drilling. Alloy composition resists H2S environments.
Duty Rate — China → United States
35%
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
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
Import Tips
• Document C110 proprietary alloy specs; NACE compliance for sour gas
• Pitfall: alloy content affecting Chapter 72 classification