What it the classification of drilling pipes used in soil testing ???
73.04 - Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel(+).
- Line pipe of a kind used for oil or gas pipelines :
7304.11 - - Of stainless steel
7304.19 - - Other
- Casing, tubing and drill pipe, of a kind used in drilling for oil or gas :
7304.22 - - Drill pipe of stainless steel
7304.23 - - Other drill pipe
7304.24 - - Other, of stainless steel
7304.29 - - Other- Other, of circular cross-section, of iron or non-alloy steel :
7304.3 I - - Cold-drawn or cold-rolled (cold-reduced)
7304.39 - - Other- Other, of circular cross-section, of stainless steel :
7304.41 - - Cold-drawn or cold-rolled (cold-reduced)
7304.49 - - Other- Other, of circular cross-section, of other alloy steel :
7304.51 - - Cold-drawn or cold-rolled (cold-reduced)
7304.59 - - Other
7304.90 -
Explanatory notes of 7304
The products of this heading include, in particular, line pipes of a kind used for oil or gas, casing, tubing and drill pipes of a kind used in drilling for oil or gas, tubes and pipes suitable for use in boilers, superheaters, beat exchangers, condensers, refining furnaces, feedwater heaters for power stations, galvanised or black tubes (so-called gas tubes) for high or medium pressure steam, or gas or water distribution in buildings, as well as tubes for water or gas street distribution mains. In addition tubes and pipes are used for the manufacture of parts for automobiles or for machinery, of rings for ball bearings, cylindrical, tapered or needle bearings or for other mechanical uses, for scaffolding, tubular structures or building construction.
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