With an external diameter exceeding 609.6 mm
Part of: 73051910 — Of iron or nonalloy steel
a88553 · 1996-10-28 — The tariff classification of clad steel line pipe from Germany.
Descriptive literature was submitted with your request. The products to be imported, described as bi-metal or "BUBI" line pipes, are clad pipes consisting of an outer pipe and inner pipe or liner and are produced by Butting of Germany. The pipes range in size from 114.3 mm to 762.0 mm in outside diameter. The outer pipe, made of carbon steel, may be seamless or welded and is made to API Spec 5L, Grades X52, X60, X65 and X70. The wall thickness varies from 7.0 mm upwards depending on design with a recommended minimum wall thickness of 2.5 mm for the liner. The cladding material (inner pipe or…
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