How to choose mold steel for Automotive parts injection mold?
There are a lot of steel injection molds for auto parts, but the injection molds for auto parts also have a lot of knowledge about the choice of steel.Different auto parts surface process to choose different injection mold steel.
First of all, the steel of auto parts injection mold is roughly divided into two categories, one is imported steel, the other is domestic steel. The cost of imported steel is relatively expensive, which is 3 to 4 times that of domestic steel. If the mirror polishing process is done for auto parts, S136 steel can be given priority. This steel can achieve the mirror effect.
If the surface of the auto parts to do grain effect, you can choose NAK80 steel, NAK80 for the per-hardened state, without heat treatment, production life can reach more than 500,000 times.
Automotive parts injection mold in the choice of mold steel is very high requirements, material is directly related to the quality and life of the mold. To do a good job of auto parts injection mold must choose good steel, in order to make a quality auto parts injection mold.