AISI 17-7PH Precipitation Hardening Spring Wire from China
Precipitation-hardening stainless steel round wire (17-7PH) optimized for high-strength springs in aerospace components. HTS 7223.00.10.05 applies as it matches statistical note 8 for spring wire with superior fatigue resistance and precise diameter control.
Duty Rate — China → United States
75%
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
9903.91.0125%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
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
• Submit heat treatment certifications proving precipitation hardening process for spring properties
• Label coils clearly with alloy grade and spring temper to prevent Customs misclassification
• Comply with aerospace import specs; include traceability docs from mill to entry