CN7305

73 Articles of Iron or Steel

7305 (01/1988-..) Tubes and Pipes, Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Flat-rolled Products of Iron or Steel ‘e.g., Welded, Riveted or Similarly Closed’

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73051100 (01/1988-..) Line Pipe of a Kind Used for oil or gas Pipelines, Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Iron or Steel, Longitudinally Submerged arc Welded

73051200 (01/1988-..) Line Pipe of a Kind Used for oil or gas Pipelines, Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Iron or Steel, Longitudinally arc Welded (Excl. Products Longitudinally Submerged arc Welded)

73051900 (01/1988-..) Line Pipe of a Kind Used for oil or gas Pipelines, Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Flat-rolled Products of Iron or Steel (Excl. Products Longitudinally arc Welded)

73052000 (01/2004-..) Casing of a Kind Used in Drilling for oil or Gas, Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Flat-rolled Products of Iron or Steel

73052010 (01/1988-12/2003) Casing of a Kind Used in Drilling for oil or Gas, Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Iron or Steel, Longitudinally Welded

73052090 (01/1988-12/2003) Casing of a Kind Used in Drilling for oil or Gas, Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Flat-rolled Products of Iron or Steel (Excl. Products Longitudinally Welded)

73053100 (01/1988-..) Tubes and Pipes Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Iron or Steel, Longitudinally Welded (Excl. Products of a Kind Used for oil or gas Pipelines or of a Kind Used in Drilling for oil or Gas)

73053900 (01/1988-..) Tubes and Pipes Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Iron or Steel, Welded (Excl. Products Longitudinally Welded or of a Kind Used for oil or gas Pipelines or of a Kind Used in Drilling for oil or Gas)

73059000 (01/1988-..) Tubes and Pipes Having Circular Cross-sections and an External Diameter of > 406,4 mm, of Flat-rolled Products of Iron or Steel, Welded (Excl. Welded Products or Products of a Kind Used for oil or gas Pipelines or of a Kind Used in Drilling for oil or GaS)