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.
â¦the outside bulge to bulge (thickness) dimensions shall average no greater than 33 inches (.84 m) and outliers are not to exceed 34 inches (.86 m).. Physical Description. While tie length is an indicator of bale thickness, other factors that play a role in determining bale thickness should not be ignored.