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Carbon Steel Reducing Flange 6x4 Inch from Japan

6-inch to 4-inch reducing flange in carbon steel for transitioning pipe sizes, smallest ID 102 mm. Hub design accommodates size change. HTS 7307.91.50.10 based on nonalloy steel and ID <360 mm.

Duty Rate — Japan → United States

55.5%

Rate breakdown

9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Specify both connection sizes clearly to avoid expander confusion

Reducing flanges face higher scrutiny for dimension accuracy

Consider country-of-melt for steel origin rules