Super Duplex Stainless Welded Sour Gas Line Pipe from China
Welded super duplex (2507 grade) stainless pipe for sour gas pipelines containing H2S, 10-inch diameter. Engineered for extreme corrosion and stress corrosion cracking resistance. Meets 7306.11.00 as welded stainless line pipe for gas pipelines.
Duty Rate — China → United States
75%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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/ISO 15156 certification for sour service compliance
• Declare PREN value (>40 for super duplex) to confirm stainless classification