LOW ALLOY STEEL BARS, SEAMLESS AND BORED. WITH INTERNAL DIAMETERS OF 57.15MM TO 82.55MM. WITH EXTERNAL DIAMETERS OF 203.20MM, 209.55MM, 241.30MM, 254MM AND 304.80MM. WILL BE FURTHER WORKED AND USED IN THE DOWNHOLE DRILLING INDUSTRY FOR OIL.

CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6. CN CODE 73042930 OF AN EXTERNAL DIAMETER EXCEEDING 168.3MM BUT NOT EXCEEDING 406.4MM. TARIC CODE 7304293020 OF CIRCULAR CROSS-SECTION AND WITH A CARBON EQUIVALENT VALUE (CEV) NOT EXCEEDING 0.86 ACCORDING TO THE INTERNATIONAL INSTITUTE OF WELDING (IIW) FORMULA AND CHEMICAL ANALYSIS.