API 5L X42 Seamless Line Pipe 177.8mm OD
High-strength API 5L X42 grade seamless steel pipe with 177.8 mm (7-inch) OD for sour gas service pipelines. Qualifies for HTS 7304.19.10.30 as nonalloy seamless line pipe in the designated size for oil/gas transport.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with attached threaded connections for casing
Casing pipes with threads fall under 7304.20; line pipe typically plain end or quick-connect.
If imported assembled into gas compressor stations
If classified as gas turbine parts rather than pipe, shifts to Chapter 84 machinery.
If welded ERW type for line pipe use
Electric resistance welded (ERW) line pipes are in 7306.30 for welded circular hollow sections.
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Import Tips & Compliance
• Provide chemical composition analysis confirming nonalloy steel (C≤0.27%, no intentional alloying elements)
• For X-grades, include yield strength test results matching API 5L requirements
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