U.S. Steel makes sheet and semi-finished steel, tubular and plate steel, and tin products; it produces about 25 million tons of raw steel annually.
Chrome-plate steel body and cast aluminum reversible grids.
The cut and polished marble, the melted glass, the plated steel.
Manufactures include bar and plate steel, surgical equipment, wire and screen products, steel castings, chemicals, plastics, cans, and food products.
The company also said it had raised prices on Feb. 11 for its plate steel products by $10 to $15 a ton.
Before that, also at the Modern, Richard Serra's giant sculptures of rusty, rolled-plate steel drew wondering visitors into dark, uterine interiors.
The diamond-carborundum cutting head, capable of slicing through three-quarter-inch plate steel, makes alarmingly efficient work of even the most stubborn keyless sardine tins.
Towards the end of that decade, however, abstract sculptures in welded aluminium and chromium plated steel betrayed a decline in invention and originality.
Investigators have previously said that because of design flaws in the 40-year-old structure, several gusset plates, steel sheets that tie girders together, were too thin.
The companies bringing the complaint buy high-quality plate steel and cut it so that it forms a slightly conical shape when it is rolled into a cylinder.
