Category: blog

 A remark from a long-time customer made me realize that only by conducting business with integrity and a positive mindset can we earn our customers’ trust and secure their orders.  Today, a long-time customer came to purchase my 8566 anti-cracking steel. He told me that the 8566 his friend bought elsewhere was subpar—the price was…

 What type of die steel is used for hot-forged nuts? Hot-forging die manufacturers all use Yuhui 8566 die steel. We just purchased another 10 pieces. Our client specializes in hot-forged nuts. Since nuts are standard parts produced in large quantities, they require high thermal wear resistance and heat resistance. Previously, they used tungsten carbide dies.…

By adding serrations to the bolts, the service life of 8566 die steel is 20 times that of DC53, and mold costs are reduced by 80%.  Last night, I received a message from Mr. Chen: “Hello, General Manager Wu! We verified today that 8566 steel has 20 times the service life of DC53.”  Seeing a 20-fold…

 Another great day has come to an end. Although I had a couple of inquiries from clients who couldn’t afford our products, which left me feeling a bit down for a moment, we’ve got plenty of orders. I was particularly surprised by a large order from Xiamen. When she inquired last week, the buyer didn’t…

A Douyin user commented under my video: “Hey boss, your die steel is pretty good. I bought some 8566 from you to punch 2.5mm stainless steel, and after 100,000 punches, there are still no issues.” This comment is worth its weight in gold—it specifies the material, thickness, die steel type, and service life. The only thing missing is…

 I received another order for Yuhui PM23 powdered high-speed steel from Mr. Huang this morning, which touched me a little. Mr. Huang first came to us three years ago. He was stamping 1.2mm-thick quenched and tempered 65Mn steel with a hardness of 47HRC. He had previously used PM53 and PM4 punches, both of which suffered severe…

 Mr. Cheng asked if there were any die steels he could recommend that don’t stick to the material and don’t crack. He’s currently cutting 5mm iron sheets, and using DC53 for the base plate causes sticking, resulting in burrs on the products. Coating doesn’t help either—applying a coating requires polishing the mold first, which is a…

Samuel Ullman was born in Germany and was a rabbi who emigrated to the United States to escape persecution of Jews. He was also an entrepreneur who started out selling groceries and went on to become a director of a local bank. He left behind several collections of poetry, the most famous of which is…

I opened a video platform this morning and received two pieces of news—one good and one bad. The good news was that someone complained that their molds were always breaking and asked if there was a good solution. A user commented below, saying, “@Yuhui Mold Steel—just use their steel. The quality I’ve used is excellent.”…

One user mentioned that when hot-forging stainless steel square boxes using 8418 mold steel, the mold collapses after producing 1,200–1,300 parts. Even after re-profiling the mold surface and performing stress relief treatment on the mold cavity, as well as shot peening the cavity, the mold life remains short. A single mold can be re-profiled a maximum…

 I just received an inquiry from Mr. Chen regarding the stamping of 1.7mm-thick 65Mn hardened steel for C-type retaining rings with a material hardness of 45 HRC. Currently, they are using imported PM23 powdered high-speed steel purchased from a certain online retailer for the lower die cutting edges, but the edges chip after producing only 9,000…

I received some good news from Mr. Zhang this morning. He told me that he’s now using your NAK80 for his water cups, and the results are excellent—no more fogging, and the products are crystal clear. Mr. Zhang manufactures injection-molded nylon water cups. He was previously using S136 mold steel, which costs over 40 yuan…