4-1/2 Inch 13Cr Welded Stainless Casing from China
4-1/2 inch 13Cr (13% chromium) welded stainless steel casing for corrosive CO2 environments in enhanced oil recovery wells. Welded with low-hydrogen processes for toughness. HTS 7306.21.40.00 for other welded stainless steel oil/gas casing.
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
• Submit PREN (Pitting Resistance Equivalent Number) values for Cr/Mo/Ni content verification
• Coordinate with CBP for advance ruling on duplex stainless grades