TUBES PIPES AND HOLLOW PROFILES SEAMLESS OF CIRCULAR CROSS-SECTION OF IRON OR NON-ALLOY STEEL NOT COLD-DRAWN OR COLD-ROLLED COLD-REDUCED (EXCL. CAST IRON PRODUCTS LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES CASING AND TUBING OF A KIND USED FOR DRILLING FOR OIL OR GAS) : OF A WALL THICKNESS EXCEEDING 25 MM OR AN OUTSIDE CROSS-SECTIONALDIMENSION EXCEEDING 170 MM
TUBES PIPES AND HOLLOW PROFILES SEAMLESS OF CIRCULAR CROSS-SECTION OF IRON OR NON-ALLOY STEEL NOT COLD-DRAWN OR COLD-ROLLED COLD-REDUCED (EXCL. CAST IRON PRODUCTS LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES CASING AND TUBING OF A KIND USED FOR DRILLING FOR OIL OR GAS) : OF A WALL THICKNESS EXCEEDING 25 MM OR AN OUTSIDE CROSS-SECTIONALDIMENSION EXCEEDING 170 MM
TUBES PIPES AND HOLLOW PROFILES SEAMLESS OF CIRCULAR CROSS-SECTION OF IRON OR NON-ALLOY STEEL NOT COLD-DRAWN OR COLD-ROLLED COLD-REDUCED (EXCL. CAST IRON PRODUCTS LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES CASING AND TUBING OF A KIND USED FOR DRILLING FOR OIL OR GAS) : OF A WALL THICKNESS EXCEEDING 25 MM OR AN OUTSIDE CROSS-SECTIONALDIMENSION EXCEEDING 170 MM
TUBES PIPES AND HOLLOW PROFILES SEAMLESS OF CIRCULAR CROSS-SECTION OF IRON OR NON-ALLOY STEEL NOT COLD-DRAWN OR COLD-ROLLED COLD-REDUCED (EXCL. CAST IRON PRODUCTS LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES CASING AND TUBING OF A KIND USED FOR DRILLING FOR OIL OR GAS) : OF A WALL THICKNESS EXCEEDING 25 MM OR AN OUTSIDE CROSS-SECTIONALDIMENSION EXCEEDING 170 MM