In the production process, sometimes there will be insufficient hardness after quenching, which is a... (more…)
2023-02-24 ChengChi 12 quenchi quenching heating holding time heating temperature cooling process microstructure austenite ferrite pearlite cooling medium heat treatment cooling cooling speed oil cooling circulating cooling scale rust
Heat treatment solutions for copper pipe and valve parts of refrigeration accessories
Common copper pipes ......
