Â­Steel is iron that has most of the impurities removed. Steel also has a consistent concentration of carbon throughout (0.5 to 1.5 percent). Impurities like silica, phosphorous and sulfur weaken steel tremendously, so they must be eliminated. The advantage of steel over iron is greatly improved strength. The open-hearth furnace is one way to create steel from pig iron. The pig iron, limestone and iron ore go into an open-hearth furnace. It is heated to about 1,600 degrees F (871 degrees C). The limestone and ore form a slag that floats on the surface.
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$0.89 per sq ft* Basic Pergo Laminate Installation. when you buy 250 sq ft or more. *Basic installation charges based on product ordered. Offer ends 11/17/15. Get Details. Get $0.89 per sq ft basic Pergo Laminate installation.Can't be combined with 10% off Pergo Laminate Flooring promotion. Requires minimum purchase of 250 sq ft and Lowe's purchase of eligible flooring along with moister barrier and underlayment.99 Basic Installation of Blinds and Shades. Price includes basic installation (labor only) for up to nine purchased blinds and shades. Basic installation is $10 for each additional blind or shade purchased. Requires purchase of in-home measurement.