( ) cracking is generally encountered during postweld heat treatment (PWHT) of steels
A: Reheat
B: Stress relief
C: Hydrogen induced
D: Solidification
A: Reheat
B: Stress relief
C: Hydrogen induced
D: Solidification
举一反三
- HTLA steels are susceptible to reheat cracking because they are with a lot of (). A: carbides B: hydrogen C: sulphur D: manganese
- HTLA steels are susceptible to reheat cracking because they contain a lot of () A: carbides B: H C: S D: P
- To avoid cracking of the casting, there should be ____________ for shrinkage during solidification
- HTLA steels are susceptible to reheat cracking because they contain a lot of () A: carbides B: H C: S D: P E: 2-3-2 F: 期末
- The common heat treatment on steels such as 65Mn and 60Si2Mn is . A: quenching + low temperature tempering B: quenching + medium temperature tempering C: quenching + high temperature tempering D: normalizing