Cold-Rolled TP310 Stainless Superheater Tube from China
Seamless cold-rolled tube of TP310 heat-resisting stainless steel for superheater coils in industrial boilers. Offers oxidation resistance up to 1100°C with precise wall thickness for high-pressure steam. Fits 7304.51.50.15 as cold-reduced, circular, seamless alloy steel tube for superheaters.
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 ASTM A312 or A213 material certificates specifying TP310 grade to prove heat-resisting properties
• Document cold-reduction process via manufacturing records; pitfall is confusion with standard stainless under 7304.41
• Check for pressure vessel certification (e.g
• PED); bulk shipments often require additional NDT test reports