17-4PH Stainless Alloy Seamless Pipe from China
Precipitation-hardening stainless seamless pipe (17-4PH grade) for aerospace ground support equipment, OD 350 mm, 15 mm wall. HTS 7304.59.80.65 covers other alloy steel seamless tubes including PH stainless. High strength-corrosion resistance balance.
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
• Heat treatment condition (H900/H1150) and hardness test results must be documented
• Confirm seamless vs. welded via destructive testing reports if challenged
• Separate from standard stainless under 7304.41 if not meeting 'other alloy' criteria