Sour Service Alloy Steel Drill Pipe NACE Compliant from Japan
Seamless alloy steel drill pipe certified for sour service environments (H2S gas) per NACE MR0175 standards, used in oil/gas wells with corrosive conditions. HTS 7304.23.60 covers this as alloy steel drill pipe for drilling operations.
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 MR0175 material certification and hardness test results mandatory for sour service classification
• Specify minimum alloy elements (Ni, Cr, Mo) in documentation to qualify as 'alloy steel' vs carbon steel