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.
CXTÂ® Concrete Tie Catalog. L.B. Foster offers a complete line of concrete railroad ties including standard track ties, gantry ties, and. specialty ties such as guard rail ties, restraining rail ties and grade crossing ties. All concrete ties are designed. in accordance with AREMA and owner specifications. L.B.