310S Cold-Rolled Heat-Resisting Alloy Steel Sheet from China
Cold-reduced 310S alloy steel sheet, thickness less than 4.75 mm, width exceeding 600 mm, heat-resisting per US note (g). High chromium content provides oxidation resistance up to 1100°C for furnace linings and heat treatment baskets. Supplied in annealed condition without additional surface treatments.
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 heat number traceability for composition verification during customs exam
• Ensure no 'further worked' treatments like phosphatizing that would require 7226 classification
• Measure thickness uniformly; variations exceeding 4.75 mm at any point trigger reclassification