We investigated the reasons for frequently appearing early failure of carbide punches in a progressive stamping die when they were used to produce magnetic shie
The patenting process of three hot-rolled steels with carbon mass contents of 0. 70%-0. 90% was studied.The effect of the quenching temperature on the cementite
During the ingot casting process,the parametric changes of the molten steel pouring process often cause both ingot surface and internal quality defects. With th
With the continuous improvement of product quality and function,the quality control of mold steel is becoming increasingly stricter. Argon protection is essenti