7306 - Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel:

Sub-classifications

Commodity Code

Description

Line pipe of a kind used for oil or gas pipelines:
- 7306 1100
  
  Welded, of stainless steel
  - 7306 1100 10
    
    With an outside diameter not exceeding 114.3 mm
  - 7306 1100 50
    
    With an outside diameter exceeding 114.3 mm
- 7306 19
  
  Other:
  - 7306 1910
    
    Of iron or nonalloy steel
    
    7306 1910 10
    
    With an outside diameter not exceeding 114.3 mm
    
    7306 1910 50
    
    With an outside diameter exceeding 114.3 mm
  - 7306 1951
    
    Of alloy steel
    
    7306 1951 10
    
    With an outside diameter not exceeding 114.3 mm
    
    7306 1951 50
    
    With an outside diameter exceeding 114.3 mm
Casing and tubing of a kind used in drilling for oil or gas:
- 7306 21
  
  Welded of stainless steel:
  - Casing:
    
    7306 2130 00
    
    Threaded or coupled
    
    7306 2140 00
    
    Other
  - 7306 2180
    
    Tubing
    
    7306 2180 10
    
    Imported with coupling
    
    7306 2180 50
    
    Other
- 7306 29
  
  Other:
  - Casing:
    
    Of iron or nonalloy steel:
    
    7306 2910
    
    Threaded or coupled
    
    7306 2910 30
    
    Imported with coupling
    
    7306 2910 90
    
    Other
    
    7306 2920 00
    
    Other
    
    Other:
    
    7306 2931 00
    
    Threaded or coupled
    
    7306 2941 00
    
    Other
  - Tubing:
    
    7306 2960
    
    Of iron or nonalloy steel
    
    7306 2960 10
    
    Imported with coupling
    
    7306 2960 50
    
    Other
    
    7306 2981
    
    Other
    
    7306 2981 10
    
    Imported with coupling
    
    7306 2981 50
    
    Other
7306 30

Other, welded, of circular cross section, of iron or nonalloy steel:
- 7306 3010 00
  
  Having a wall thickness of less than 1.65 mm
- Having a wall thickness of 1.65 mm or more:
  - 7306 3030 00
    
    Tapered steel pipes and tubes principally used as parts of illuminating articles
  - 7306 3050
    
    Other
    
    7306 3050 10
    
    Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn
    
    7306 3050 15
    
    Other, cold-drawn
    
    7306 3050 20
    
    Other, cold-rolled (cold-reduced) with a wall thickness not exceeding 2.54 mm
    
    Other:
    
    With an outside diameter not exceeding 114.3 mm:
    
    Galvanized:
    
    Imported with coupling:
    
    7306 3050 26
    
    With an outside diameter not exceeding 50.8 mm
    
    7306 3050 27
    
    With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
    
    7306 3050 28
    
    Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit
    
    Other:
    
    7306 3050 31
    
    With an outside diameter not exceeding 50.8 mm
    
    7306 3050 33
    
    With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
    
    Other:
    
    7306 3050 35
    
    Tube and pipe hollows for redrawing
    
    Imported with coupling:
    
    7306 3050 41
    
    With an outside diameter not exceeding 50.8 mm
    
    7306 3050 43
    
    With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
    
    Other:
    
    7306 3050 56
    
    With an outside diameter not exceeding 50.8 mm
    
    7306 3050 57
    
    With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
    
    With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm:
    
    7306 3050 85
    
    Galvanized
    
    7306 3050 90
    
    Other
7306 40

Other, welded, of circular cross section, of stainless steel:
- 7306 4010
  
  Having a wall thickness of less than 1.65 mm
  - Containing more than 0.5 percent by weight of nickel:
    
    7306 4010 10
    
    Containing more than 1.5 percent but less than 5 percent by weight of molybdenum
    
    7306 4010 15
    
    Other
  - 7306 4010 90
    
    Other
- 7306 4050
  
  Having a wall thickness of 1.65 mm or more
  - 7306 4050 05
    
    Of high-nickel alloy steel
  - Other:
    
    7306 4050 15
    
    Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn
    
    Other, cold-drawn or cold-rolled (cold- reduced):
    
    7306 4050 40
    
    Containing more than 0.5 percent but less than 24 percent by weight of nickel
    
    Other:
    
    7306 4050 42
    
    Containing less than 15 percent by weight of chromium
    
    7306 4050 44
    
    Other
    
    Other:
    
    With an outside diameter not exceeding 114.3 mm:
    
    Containing more than 0.5 percent but less than 24 percent by weight of nickel:
    
    7306 4050 62
    
    Containing more than 1.5 percent but less than 5 percent by weight of molybdenum
    
    7306 4050 64
    
    Other
    
    7306 4050 80
    
    Other
    
    With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm:
    
    7306 4050 85
    
    Containing more than 0.5 percent but less than 24 percent by weight of nickel
    
    7306 4050 90
    
    Other
7306 50

Other, welded, of circular cross section, of other alloy steel:
- 7306 5010 00
  
  Having a wall thickness of less than 1.65 mm
- Having a wall thickness of 1.65 mm or more:
  - 7306 5030 00
    
    Tapered pipes and tubes of steel principally used as parts of illuminating articles
  - 7306 5050
    
    Other
    
    7306 5050 10
    
    Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn
    
    7306 5050 30
    
    Other, cold-drawn or cold-rolled (cold- reduced)
    
    Other:
    
    7306 5050 50
    
    With an outside diameter not exceeding 114.3 mm
    
    7306 5050 70
    
    With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm
Other, welded, of noncircular cross section:
- 7306 61
  
  Of square or rectangular cross section:
  - Having a wall thickness of 4 mm or more:
    
    7306 6110 00
    
    Of iron or nonalloy steel
    
    7306 6130 00
    
    Of alloy steel
  - Having a wall thickness of less than 4 mm:
    
    7306 6150 00
    
    Of iron or nonalloy steel
    
    7306 6170
    
    Of alloy steel
    
    7306 6170 30
    
    Of stainless steel
    
    7306 6170 60
    
    Other
- 7306 69
  
  Of other noncircular cross section:
  - Having a wall thickness of 4 mm or more:
    
    7306 6910 00
    
    Of iron or nonalloy steel
    
    7306 6930 00
    
    Of alloy steel
  - Having a wall thickness of less than 4 mm:
    
    7306 6950 00
    
    Of iron or nonalloy steel
    
    7306 6970
    
    Of alloy steel
    
    7306 6970 30
    
    Of stainless steel
    
    7306 6970 60
    
    Other
7306 90

Other:
- 7306 9010 00
  
  Of iron or nonalloy steel
- 7306 9050 00
  
  Of alloy steel

Overview

This HTS category, 7306, encompasses a broad range of hollow profiles manufactured from iron or steel. It includes tubes, pipes, and similar hollow sections that are formed through various manufacturing processes such as open seaming, welding, riveting, or other methods of closure. The key characteristic of goods classified here is their hollow, tubular, or profiled structure made from ferrous metals. This category is designed to capture a wide array of such articles that do not fall under more specific provisions within Chapter 73.

Distinguishing 7306 from its sibling categories at the Section XV and Chapter 73 level is crucial for accurate classification. Unlike categories that might cover finished articles made of iron or steel (e.g., tools, cutlery, or structural components), 7306 specifically addresses the base material in its hollow profile form. Furthermore, it is distinct from raw iron or steel materials (Chapter 72) or more finished products like springs or fasteners.

The subcategories within 7306 further refine the classification based on manufacturing method, cross-sectional shape, and material composition. For example, specific provisions exist for welded tubes and pipes, differentiating them based on whether they are of circular or non-circular cross-section and the type of steel employed (e.g., non-alloy, stainless, or other alloy steel). These subdivisions are essential for importers and exporters to precisely identify the applicable tariff line, influencing duty rates and trade regulations.

Go up to Chapter 73: Articles of iron or steel

7306 - Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel:

Sub-classifications

Overview

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