To obtain an steel with fine pearlite we perform the commercial heat treatment known as total annealing.
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- To obtain an steel with fine pearlite we perform the commercial heat treatment known as total annealing
- The proper preliminary heat treatment for T12 steel is . A: complete annealing B: homogenizing annealing C: spheroidizing annealing D: isothermal annealing
- During heat treatment of steel, austenite transforms into martensite by A: annealing B: austenitizing C: quenching D: normalizing
- To improve the machinability of low carbon steel, the heat treatment process usually used is ( ) . A: quenching B: tempering C: annealing D: normalizing
- The brazing weld need annealing heat treatment so that it is easily machined. A: 正确 B: 错误