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

Codes under heading 7306

• Line pipe of a kind used for oil or gas pipelines:
• 730611 Welded, of stainless steel:
• 73061110 Longitudinally electric resistance welded (ERW)
• 73061190 Other
• 730619 Other:
• 73061910 Longitudinally electric resistance welded (ERW)
• 73061920 Spiral or helical submerged arc welded
• 73061990 Other
• Casing and tubing of a kind used in drilling for oil or gas:
• 73062100 Welded, of stainless steel
• 73062900 Other
• 730630 Other, welded, of circular cross-section, of iron or non-alloy steel:
• Boiler tubes:
• 73063011 With an external diameter less than 12.5 mm
• 73063019 Other
• Copper-plated, fluororesin-coated or zinc-chromated steel tubes with an external diameter not exceeding 15 mm:
• 73063021 With an external diameter less than 12.5 mm
• 73063029 Other
• 73063030 Pipe of a kind used to make sheath pipe (heater pipe) for heating elements of electric flat irons or rice cookers, with an external diameter not exceeding 12 mm
• High-pressure pipe with a yield strength not less than 42,000 psi:
• 73063041 With an external diameter less than 12.5 mm
• 73063049 Other
• Other:
• 73063091 With an internal diameter of 12.5 mm or more, an external diameter less than 140 mm and containing by weight less than 0.45% of carbon
• 73063092 With an internal diameter less than 12.5 mm
• 73063099 Other
• 730640 Other, welded, of circular cross-section, of stainless steel:
• Boiler tubes:
• 73064011 With an external diameter not exceeding 12.5 mm
• 73064019 Other
• 73064020 Stainless steel pipes and tubes, with an external diameter exceeding 105 mm
• 73064030 Pipes and tubes containing by weight at least 30% of nickel, with an external diameter not exceeding 10 mm
• 73064090 Other
• 730650 Other, welded, of circular cross-section, of other alloy steel:
• Boiler tubes:
• 73065011 With an external diameter less than 12.5 mm
• 73065019 Other
• Other:
• 73065091 With an external diameter less than 12.5 mm
• 73065099 Other
• Other, welded, of non-circular cross-section:
• 730661 Of square or rectangular cross-section:
• 73066110 With an external diagonal cross-section less than 12.5 mm
• 73066190 Other
• 730669 Of other non-circular cross-section:
• 73066910 With an external diagonal cross-section less than 12.5 mm
• 73066990 Other
• 730690 Other:
• Copper brazed pipes and tubes:
• 73069011 With an external diagonal cross-section less than 12.5 mm
• 73069019 Other
• Other:
• 73069091 High pressure pipes with a yield strength not less than 42,000 psi, with an internal diameter of less than 12.5 mm
• 73069094 Other high pressure pipes, with an external diameter of less than 12.5 mm
• 73069095 Other high pressure pipes, with an external diameter of 12.5 mm or more
• 73069096 Other, with an external diagonal cross-section less than 12.5 mm
• 73069097 Other, with an internal diameter more than 12.5 mm, an external diameter less than 140 mm and containing by weight less than 0.45% of carbon
• 73069099 Other