Blue Steel

Blue Steel or blue steel may refer to:

Science, technology and engineering

 * Blue steel, a tempering color of steel
 * Bluing (steel), a process in which steel is partially protected against rust
 * Martensite, a crystalline form of steel
 * , a black oxide that may form when iron is heated
 * Blue Steel (missile), a British Cold War nuclear missile

Film

 * Blue Steel (1934 film), 1934 western starring John Wayne
 * R.O.T.O.R., a 1987 science fiction/action film also known as Blue Steel
 * Blue Steel (1990 film), American action thriller film directed by Kathryn Bigelow
 * Blue Steel Pose, Derek Zoolander's trademark look in Zoolander and Zoolander 2

Other uses

 * Blue Steel, canceled DC video games by Factor 5
 * Blue Steel guitar strings, made by Dean Markley Strings
 * Tar Heel Blue Steel, a basketball team