Author: wudejian
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8566 anti collapse steel, several hundred kilograms per piece, sold very well.
8566 anti collapse steel, several hundred kilograms per piece, sold very well. It’s strange to say that the more customers buy large items, the less verbose they are, and the more they buy small items, the more they pretend to be big shots. There are not many customers, just a few big whale customers are…
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The product produced by stamping 6mm thick 20 steel with Cr12MoV has burrs, which is a material error. Notes on hand 070
If the wrong material is used for the mold, there will be various problems, and once misjudged, there will be various improper operations. Just now Mr. Liang came to ask, what are the characteristics of 8503 die steel, how to polish it, how can it be polished into a mirror surface, whether the mold is…
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The terminal blade customer has come to purchase 50 pieces of high toughness LG die steel again, happy!
Today is a happy day. Chengdu customers have come to purchase high toughness LG die steel again, this time purchasing 50 pieces. Mr. Zhang purchased LG die steel in small quantities in December of the 25th year for trial use. At that time, he said that if LG’s toughness was really good and could indeed…
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Is heat-resistant steel 8433 also suitable for forging high-temperature alloys?
A netizen who consulted 8566 asked me, is 8433 also suitable for high-temperature alloy forging? To be honest, the hardness of heat-resistant steel 8433 is 50-54HRC, which is a hot forging high-temperature alloy. The thermal wear performance of 8433 is slightly inferior. Although the heat resistance of 8433 is 2-3 times that of H13, its…
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Mr. Gu asked: What kind of steel is used for punching needles that are both sharp and will not crack?
Mr. Gu asked: What kind of steel is used for punching needles that are both sharp and will not crack? Punch a 4.5mm hole on a 1mm thick pure nylon plastic product. The SKD61 punch needle purchased on Taobao is prone to breakage and may not be sharp when punched. The key is that the…
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The hardness of Cr12MoV for powder metallurgy molds has been reduced to 30 degrees, and it finally does not crack, but it is not wear-resistant anymore. Chapter 568
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…
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Netizens say that DC53 needs to be treated with deep cryogenic treatment to achieve superior performance. Is this true? Article 569
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…
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What is the best red nut mold to use? The current tungsten steel molds are prone to cracking and the cost is too high
During the New Year holiday, some people began to consult about die steel. Just received a consultation from Mr. Hu, what is the best die steel for the red nut mold? The current tungsten steel molds are prone to cracking and the cost is too high. The molds have water-cooled cooling. You make tungsten steel…
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Netizens said that 8566 is even more famous than Wu Dejian, which makes me quite happy. This is the 570th post
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.…
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I have filmed 2000 videos about die steel, and I want to summarize and reflect on them. This is the 571st video
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…
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In some businesses, service is more important than the product. You can’t make the product unique, but you can make the service unique. Handheld Notebook 069
Some people are naturally gifted in business, and their politeness is so impressive that you feel embarrassed to seek out a second option. This morning, I went to the wet market and asked someone to kill a chicken and a duck for me. At the first poultry shop, although they agreed to help me with…
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Nightlife in a small county town
Only at night in a small county town can one feel the festive atmosphere; But apart from food, clothing, and daily necessities, it seems there are no other businesses; Only upon returning home do we realize how important the manufacturing industry is. A city without manufacturing industry will inevitably become hollowed out; It’s not a…