The merchandise covered by these Orders is welded carbon and alloy steel pipe (other than stainless steel pipe), more than 406.4 mm (16 inches) in nominal outside diameter (large diameter welded line pipe), regardless of wall thickness, length, surface finish, grade, end finish, or stenciling. Large diameter welded pipe may be used to transport oil, gas, slurry, steam, or other fluids, liquids, or gases. It may also be used for structural purposes, including, but not limited to, piling. Specifically, not included is large diameter welded pipe produced only to specifications of the American Water Works Association (AWWA) for water and sewage pipe.
Large diameter welded line pipe used to transport oil, gas, or natural gas liquids is normally produced to the American Petroleum Institute (API) specification 5L. Large diameter welded pipe may also be produced to American Society for Testing and Materials (ASTM) standards A500, A252, or A53, or other relevant domestic specifications, grades and/or standards. Large diameter welded line pipe can be produced to comparable foreign specifications, grades and/or standards or to proprietary specifications, grades and/or standards, or can be non-graded material. All pipe meeting the physical description set forth above is covered by the scope of these Orders, whether or not produced according to a particular standard.
Subject merchandise also includes large diameter welded pipe that has been further processed in a third country, including but not limited to coating, painting, notching, beveling, cutting, punching, welding, or any other processing that would not otherwise remove the merchandise from the scope of the Orders if performed in the country of manufacture of the inscope large diameter welded pipe.
Excluded from the scope is large diameter welded pipe in the following combinations of grades, outside diameters, and wall thicknesses.
- Grade X60, X65, or X70, 18 inches outside diameter, 0.688 inches or greater wall thickness;
- Grade X60, X65, or X70, 20 inches outside diameter, 0.688 inches or greater wall thickness;
- Grade X60, X65, X70, or X80, 22 inches outside diameter, 0.750 inches or greater wall thickness; and
- Grade X60, X65, or X70, 24 inches outside diameter, 0.750 inches or greater wall thickness.
The large diameter welded pipe that is subject to the Order is currently classifiable in the Harmonized Tariff Schedule of the United States(HTSUS) under subheadings 7305.11.1030, 7305.11.1060, 7305.11.5000, 7305.12.1030, 7305.12.1060, 7305.12.5000, 7305.19.1030, 7305.19.1060, 7305.19.5000, 7305.31.4000, 7305.31.6090, 7305.39.1000 and 7305.39.5000.
While the HTSUS subheadings are provided for convenience and customs purposes, the written description of the scope of the Order is dispositive.