3-1/2 inch Alloy Steel Tubing for Gas Drilling from Japan
Seamless 3-1/2 inch OD alloy steel tubing with 8.0 mm wall thickness for gas well drilling operations. Grade 80 material suitable for sour service environments. HTS 7304.23.6030 applies to this seamless alloy drill tubing dimension range.
Duty Rate — Japan → 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 NACE hardness certification for sour service applications
• Specify H2S content threshold in end-use declaration to justify classification
• Ensure dimensional inspection reports match declared OD/wall specs exactly