Official classification context
Industry overview This class comprises establishments principally engaged in manufacturing seamless steel tubes, electric resistance welded tubes, butt -welded steel tubes, etc., from steel tubing, wide band steel, band st eel, or other materials received from elsewhere.
Major group context This Major group comprises establishments engaged in manufacturing iron and steel from ores, iron scrap, and those engaged in manufacturing cast, forged, rolled, and surface -treated products of iron and steel. Group Class Number Number