Seven and a Half Tons of Steel - Janet Nolan - Bog

"Following the events of September 11, 2001, the governor of New York gave the Navy a steel beam that was once inside one of the World Trade Towers. The beam was driven from New York to a foundry in Louisiana. Metal workers heated the beam to a high, high temperature. Chippers and grinders, painters and polishers worked on the beam for months. And then, seven and a half tons of steel, which had once been a beam in the World Trade Center, became a navy ship's bow"--Amazon.com.