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Quicklime costs $120 per ton. Lime is used in large quantities as a building and engineering material. The rocks and minerals from which these materials are derived, typically limestone or chalk, are composed primarily of calcium carbonate. They may be cut, crushed or pulverized and chemically altered.
Since the beginning of the year, the cost of hot-rolled steel is up 81 percent; cold rolled is up 69 percent; and galvanized steel is up 54 percent. The spot prices on flat-rolled steel are now at the $1,000 mark.About a year ago, it was selling at about $650 to $700 a metric ton.ince the beginning of the year, the cost of hot-rolled steel is up 81 percent; cold rolled is up 69 percent; and galvanized steel is up 54 percent. The spot prices on flat-rolled steel are now at the $1,000 mark.