Category: cases

Mr. Wan, who has purchased M316 die steel from me, called to inquire about mold steel and told me some good news. The M316 die steel purchased last time was injection molded with PVC soft rubber and had a very good effect. However, the molds made with S136 for PVC soft rubber injection molding by peers have all been…

A netizen in the live broadcast room asked: What material of tool steel should be used to replace the high-speed steel and adhesive material used for punching 3.0 aluminum? Yes, stamping aluminum material is the easiest to stick aluminum chips. If the tool steel you choose has microscopic cracks that are invisible to the naked eye, it…

In the morning at work, I received good news from Mr. Huang that he had tried 8566 die steel and the results were good. He had already stamped 350000 times. Upon receiving this good news, I deliberately confirmed with Mr. Huang that for SUS430 material with a thickness of 0.6mm, DC53 is commonly used for frequent blade…

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 steel,…

The wrong material was used for the mold, and even the most expensive tool steel is useless. In the 275th live broadcast room, a netizen named Xiao Jinmao asked, ‘If you punch an 8mm hot plate in one step, M42 is prone to breakage and can only be punched 3000 times at a time.’. Stamping 8mm…

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…