The brazing weld need annealing heat treatment so that it is easily machined.。（ ）
举一反三
- The proper preliminary heat treatment for T12 steel is . A: complete annealing B: homogenizing annealing C: spheroidizing annealing D: isothermal annealing
- In the as-quenched state, martensite is very hard and so brittle that a heat treatment known as_________must be accomplished sequently. A: normalizing B: annealing C: tempering D: austempering
- To obtain an steel with fine pearlite we perform the commercial heat treatment known as total annealing
- During heat treatment of steel, austenite transforms into martensite by A: annealing B: austenitizing C: quenching D: normalizing
- ____is<br/>a low-temperature heat treatment used to eliminate all or part of the<br/>effect of cold working in steels. A: Normalizing B: Spheroidizing C: Annealing D: Process<br/>annealing