Code 7305 11 000

LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES, LONGITUDINALLY SUBMERGED ARC WELDED

SECTION XV. Base metals and articles of base metal

73 ARTICLES OF IRON OR STEEL

7305 Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel:

line pipe of a kind used for oil or gas pipelines:

7305 11 000 longitudinally submerged arc welded:

7305 11 000 1 of outer diameter of 530 mm or more, of steel with ultimate tensile strength (limit strength) of 565 MPa (corresponding to 57.6 kgf/mm2) or more

7305 11 000 2 of outer diameter of 530 mm or more, of steel with ultimate tensile strength (limit strength) of 530 MPa (corresponding to 54 kgf/mm2) or more and impact strength 2.5 kgf·m/cm2 or more at test temperature -34 °C or lower

7305 11 000 3 of outer diameter of 530 mm or more, of steel with yield strength of 290 MPa (corresponding to 29.6 kgf/mm2) or more, designed for use in media containing hydrogen sulphide (H2S)

7305 11 000 4 with concrete weight coating

7305 11 000 8 other