Category: cases

Today, a customer who works in powder metallurgy came to me. His mold has cracked and is no longer wear-resistant. He asked what kind of die steel should be used for powder metallurgy molds? After a detailed conversation, he learned that his bottom mold is now made of Cr12MoV, which is prone to cracking when the…

A netizen in the 227th live broadcast room said that DC53 needs deep cooling treatment to achieve superior performance. I think this is the cognition after being poisoned. The performance of die steel is determined by a combination of alloy composition, internal structure, smelting quality, microstructure, heat treatment process, and these five factors, rather than a…

Netizens said that 8566 is even more famous than Wu Dejian, which makes me very happy. It’s a good thing when a product becomes more famous than the person behind it. In the 260th live broadcast room, we received positive feedback from 4 netizens. What made me happiest was the feedback about 8566 mold steel.…

 On January 3, 2026, I filmed my 2000th video. Actually, I have filmed over 2300 videos along the way, and this is the 2000th one about application cases of die steel. I have also filmed over 100 video diaries and over 100 mini-encyclopedias about die steel, but both of those were intermittent. Among the cases related…

We all know that imported DC53 is better than domestic DC53, but what specifically makes it better? I don’t know In my 268th live broadcast, netizens engaged in a heated discussion about it.  In this live broadcast room, there were many inquiries about DC53 die steel. Some asked how much a kilogram of imported DC53…

In the 273rd live broadcast room, a netizen asked: What die steel is suitable for stamping 4mm thick stainless steel? Stamping 4mm stainless steel involves a typical thick and hard material stamping process, given the hard and thick material. Based on past customer feedback, the primary failure mode of molds is cracking. When selecting die…

Netizen Xiaolong in the live streaming room asked: What die steel should be used to make the punch and blade for stamping 0.2mm pure nickel strip? Nickel material may seem soft, but it is actually very ductile. When punching and cutting, it is prone to breaking off in small pieces, which means your punch is prone…

In the 264th live broadcast room, a netizen asked: Is there any die steel with toughness similar to VIKING but higher hardness than VIKING, suitable for making injection molds for connectors? VIKING is a cold work die steel of the chromium Cr8 series, with a carbon C content of 0.5%. Among cold work die steels, it…

I remember it was around May 2009 when Kyocera Dongguan contacted us through one of their mold suppliers. One of Kyocera’s molds had suffered a steel fracture, and they urgently needed to purchase a piece of SKD11 mold steel. Since it was only a single piece of mold steel, I actually didn’t want to take…