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TP347H Stainless Steel Refining Furnace Tube from China

Cold-rolled seamless TP347H stainless tube, 18 mm OD, for transfer lines in petroleum refining furnaces, offering creep strength at elevated temperatures. Niobium-stabilized grade resists sensitization. Fits 7304.41.30.15: cold-formed stainless, circular <19 mm, for refining furnaces.

Duty Rate — China → United States

17.5%

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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

Provide API or ASTM specs confirming high-temperature service ratings

Include end-user statements for refining furnace application