To stabilize the size and improve mechanics Performance, to meet their work needs. The normal tempering temperature of 540 ~ 570 ° C, in 100% KNC) 3 salt bath insulation 1 ~ 1.5h, due to high-speed steel tempering martensite precipitation i...英国华人论坛
There are a lot of seamless material, which is one of martensitic stainless steel, stainless steel seamless pipe market is a major production materials martensitic stainless steel, but the production of seamless steel pipe requires a series...英国华人论坛
Tempering state High temperature heat treatment before delivery, such kind of condition is called tempering status. The temperature of such kind of delivery status is high, is conducive to completely eliminate internal stress and improve duc...英国华人论坛