The Black Thunder coal mine, located in the Southern Powder River Basin of Wyoming, uses massive equipment such as this dragline to mine the coal and was the first coal mine in the world to transport one billion tons of coal.
Black Thunder Coal Mine
One Minute Mentor: Relation Between Tempering Temperature and Hardness
The graphs show the relation between tempering temperature and hardness for D2 and D3 tool steels.
Seco-Warwick retrofits mesh belt furnace to increase productivity by 40%
Seco-Warwick, Meadville, Pa., announces that a major U.S.-based manufacturer is improving efficiency by retrofitting its mesh belt furnace originally commissioned by Seco-Warwick nearly 20 years ago.
Reliance acquires Tubular Steel for its specialty steel products
Reliance Steel & Aluminum Co., Los Angeles, has acquired all of the outstanding capital stock of Tubular Steel Inc., which stocks over 60,000 tons and ships over two million custom-cut lengths of pipe, tubing, and bar products annually.
Nucor Steel Louisiana DRI Plant to resume operations
Nucor Corp., Charlotte, N.C., announces that its direct reduced iron (DRI) plant in Louisiana will resume operations by the end of January.