17-4PH Stainless Alloy Seamless Pipe from Canada
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 — Canada → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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