中国大学MOOC: Annealing and normalizing present a significant difference on the ductility of low carbon steels.
举一反三
- Annealing and normalizing present a significant difference on the ductility of low carbon steels.
- Annealing and normalizing present a significant difference on the ductility of low carbon steels. A: 正确 B: 错误
- To improve the machinability of low carbon steel, the heat treatment process usually used is ( ) . A: quenching B: tempering C: annealing D: normalizing
- are very soft ,and can be used for bolts and for machine parts that do not need strength.: Alloy steels|High carbon steels|Low carbon steels|Medium carbon steels
- ____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