Blue Steel

Look up steel blue in Wiktionary, the free dictionary.

Differentially tempered steel. The various colors produced indicate the temperature to which the steel was heated. Light-straw indicates 204 °C (399 °F) and light blue indicates 337 °C (639 °F).^[1][2] “Blue steel” refers to steel at that higher temperature.

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
• Iron(II,III) oxide, a black oxide that may form when iron is heated
• Blue Steel (missile), the British Cold War nuclear missile

Film

• Blue Steel (1934 film), 1934 western starring John Wayne
• Legal Eagles (1986 film), Debra Winger's character describes the look that Robert Redford's lawyer character gives when a witness is lying as 'blue steel.' She demonstrates the face.
• Blue Steel (1990 film), American action thriller film directed by Kathryn Bigelow
• "Blue Steel", a face made by the fictional character Derek Zoolander in the films Zoolander and Zoolander No. 2
  • Generally, the greatest modelling move a model can use in their arsenal of faces, which has a tendency to leave viewers in awe.

Other uses

• Blue Steel guitar strings, made by Dean Markley Strings
• Tar Heel Blue Steel, a basketball team

See also

• Steel blue, a shade of blue that resembles blue steel
• Blue Stahli, a Detroit, Michigan-based electronic rock project (Stahl is a Germanic root word for steel)
• Arpeggio of Blue Steel, a 2014 manga and anime series
• Marking blue, a dye used in metalworking to aid in marking out rough parts for further machining
• Engineer's blue, for the purposes of layout or flattening, respectively, which is also referred to as bluing