Nitralloy Alloy Steel Cold Bar 210 mm Diameter from China
Nitralloy 135M nitriding alloy steel bar cold-finished 210 mm diameter for aircraft engine shafts. Classified HTS 7228.50.5040 cold-finished alloy steel bars 76-228 mm. Cr-Mo-Al alloy for case hardening.
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
• Aluminum content certification proves Nitralloy special alloy status
• Upper size range (210/228 mm) demands dual measurement methods
• Nitriding preparation condition must remain as cold bar only