ریخته گری سرمایه گذاری 17-4
17-4 ph stainless steel casting process as follows. Make the mold according to the 3d file. Fill the mold with wax, get the wax mold. Check and modify the pattern for any defects. Weld the wax mold to form the assembly tree. Build the shell by dipping the wax into the ceramic paste. Heat the ceramic shell to remove the wax.