17-4 PH Stainless Steel Seamless Instrumentation Tubing from China
Precision seamless tubing from 17-4 PH precipitation hardening stainless steel, used for instrumentation and control lines in oil & gas and chemical processing. It is categorized under HTS 7304.59.80 as other seamless alloy steel tubes of circular cross-section. The material's high strength and corrosion resistance suit harsh environments.
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
• Include material test reports (MTRs) detailing precipitation hardening alloy composition to prevent classification as carbon steel
• Document that tubing is not finished for retail sale to avoid set/packaging provisions
• Specify end-use as industrial instrumentation to differentiate from mechanical tubing