Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture. Rust consists of hydrous iron oxides and iron oxide-h
Colors and porous surface texture of rust
Heavy rust on the links of a chain near the Golden Gate Bridge in San Francisco; it was continuously exposed to moisture and salt spray, causing surface breakdown, cracking, and flaking of the metal. The chain was replaced in 2023.
Rust scale forming and flaking off from a steel bar heated to its forging temperature of 1200°C. Rapid oxidation occurs when heated steel is exposed to air.
Cor-Ten is a group of steel alloys which were developed to eliminate the need for painting, and form a stable rust-like appearance after several years' exposure to weather.
The Rust Belt, formerly the Steel Belt or Factory Belt, is an area of the United States that underwent substantial industrial decline in the late 20th century. The region is centered in the Great Lake
Rust
…steel foundries, the automotive industry, and other manufacturers, has experienced harsh economic cutbacks that have caused the region to be dubbed the "Rust Belt". In music, literature, and art, rust is associated with images of faded glory, neglect, entropy, decay, and ruin…
The rusting steel stacks of Bethlehem Steel in Bethlehem, Pennsylvania, one of the largest steel manufacturers for most of the 20th century until it abruptly discontinued most of its manufacturing in 1982, declared bankruptcy in 2001 and dissolved in 2003
A disused grain elevator in Buffalo, New York
An abandoned Fisher auto body plant in Detroit
The Huber Breaker in Ashley, Pennsylvania, one of the largest anthracite coal breakers in North America; opened in the 1930s and closed in the 1970s.