310S Cold-Rolled Heat-Resisting Alloy Steel Sheet from Japan
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 — Japan → United States
10%
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
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