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3.5-inch OD 4130 Stainless Drill Pipe Premium Heavy from Canada

Heavy-duty seamless stainless steel drill pipe, 3.5-inch OD with wall thickness exceeding 9.5 mm, featuring premium threading for deep-well oil exploration. Falls under HTS 7304.22.0045 as stainless steel seamless drill pipe used in oil/gas drilling with OD not exceeding 168.3 mm.

Duty Rate — Canada → United States

50%

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

Include chemical composition analysis proving stainless steel alloy status per ASTM A312 or API 5DP

Document tool joint specifications; mismatch can lead to classification as plain tubing under 7304.41

Avoid bulk packaging confusion—declare as individual lengths to prevent set classification errors