1 Nirjharâs interest is to know different technology and process engineering. 2  Raw iron is found in earthâs crust, as an ore. 3  Iron ore mostly found as Fe 2 O 3 (the form of iron oxide found as the mineral hematite). 4  At present, blast furnace is most commonly used furnace to produce iron.
The weight of a railroad tie depends on their size and specifications. They can range anywhere from 100 to 300 pounds.
Railroad Ties & Landscaping Timbers. Railroad Ties are a cost effective solution for building low retaining walls or building sturdy borders. Railroad Ties are have a nominal size of 8 feet long X 9 inches wide X 7 inches thick, with an average weight of 130 pounds. Ties are treated with creosote which is a petroleum based product used as a preservative against rotting and insect infestation.