Grade 91 Refining Furnace Tube OD 30mm from Germany
Seamless Grade 91 (9Cr-1Mo-V) alloy steel tube OD 30 mm for refining furnace transfer lines. Normalized and tempered for creep strength above 600°C. Fits 7304.59.20.40: alloy steel, seamless, small OD, refining furnace suitable.
Duty Rate — Germany → 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
• Q&T heat treatment certificates mandatory; verify against P91 specs
• Mark tubes with grade, heat number, and OD per ASTM standards