wrought-iron bars produced by reheating, welding, and rerolling muck bars; merchant bars (or bars and light sections) include rounds, squares, concrete reinforcing bars, flats (bulb flats), angles, small I sections, small U sections (channels), T sections, Z sections and half rounds
1.4 Total production of finished rolled products
1.4.1 railway track material
1.4.2 heavy sections
1.4.3 wire rod in coils
1.4.4 concrete reinforcing bars
1.4.5 other merchant bars
1.4.6 universals