17-4 PH Stainless Precision Tubing 16mm OD from Canada
Precipitation-hardened 17-4 PH stainless seamless tubing, cold-drawn 16mm OD for aerospace hydraulic lines. HTS 7304.41.30 due to stainless steel composition, seamless cold-formed circular tube <19mm diameter. High strength-to-weight ratio certified to AMS specifications.
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
• AMS 5561/5643 material specs mandatory for aerospace certification
• Non-destructive testing (eddy current) reports prevent rejection
• ITAR registration required for defense aerospace applications