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STEEL PIPES AND TUBES, CORRUGATED METAL PIPE

PIG IRON; STEEL INGOTS; SEMI-FINISHED STEEL-NAMELY, BLOOMS, SLABS, BILLETS, SHEET BARS; STEEL PRODUCTS SUCH AS BARS, BEAMS, PILES, PLATES, SHEETS, GALVANIZED SHEETS, TIN PLATE, ELECTRICAL SHEETS, CHROMIUM PLATED SHEETS, COLOR PRINTED SHEETS, TERNE SHEET, STRIPED PLATES, FLOOR PLATES, KEYSTONE PLATES, ROAD COVER DECK, POLES, WIRE RODS, RAILS, HIGHWAY GUARDRAILS AND HIGHWAY GUARD CABLES