DC 53 steel is a good chioce for the mask mold manufacture .If you can’t choose a suitable material, the mold may be fractured.
(4) Advantages in surface hardening treatment
The surface hardness after surface hardening is higher than that of SKD11, so the mold performance can be improved.
(5) Advantages in repairing welding operations
Since the preheating and post-heating temperatures are lower than SKD11, the repair welding operation is relatively simple.
One of our clients bought the cheaper steel to make the mask mold to save the money. The mold fractured in a short period .so he loses much as the machines don’t work. so we should choose the good steel material to produce a good product. Compared with other materials,the DC53 steel is much better .it is durable.
There are some points we need to remind to fulfill the DC 53 steel application.
In the forging process of DC53 steel die material, it is necessary to control the initial forging temperature and the final forging temperature. The initial forging temperature is controlled at 1000-1200℃ and the final forging temperature is controlled at 850-900℃. After forging, it is necessary to use asbestos or dry sand for heat preservation and slow cooling, or immediately enter the box furnace with atmosphere control for annealing treatment, the annealing temperature is 830-850℃, according to the effective thickness of the mold to determine the heat preservation time, and then the furnace cold to 550℃ below before air cooling.
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