The final structure obtained from tempering a fully hardened steel is called tempered .
举一反三
- The heat treatment of spring steel is treated by ( ). A: quenching and low tempering B: quenching and tempering C: quenching and middle tempering D: quenching and high tempering
- steel structure
- Steel structure is the engineering structures made of shaped steel and steel plate.
- For tool steel, the heat treatment is usually: () A: spheroidizing followed by quenching and low temperature tempering B: carburizing followed by quenching and low temperature tempering C: Quenching and high temperature tempering D: normalizing
- A speech that is fully prepared in advance but delivered from a brief set of notes or a speaking outline is called a(n) ____ speech.