According to technical requirements, the effective hardening layer range of sprocket induction harde... (more…)
In order to reduce the cracking of automobile sprockets manufactured by iron-based powder metallurgy... (more…)
15% UCONE water-based quenching agent is used for quenching and tempering treatment of 42CrMo, 25CrN... (more…)
5CrNiMo steel hot forging die is usually heat treated after opening the cavity, but now heat treatme... (more…)
stock solution is a viscous liquid with pale and transparent appearance; Density 1.075g/m3 (at 20 ℃)... (more…)