Author: wudejian

I always feel that in the current manufacturing industry, there are more and more users using high-performance tool steel. The second wave of customers who came this afternoon are those who specialize in automotive terminal harness automation equipment. Their selection of terminal machine mold blades is uncertain, but they have chosen LG die steel with high toughness to…

Mr. Li from Dalang, Dongguan, just came to Yuhui Mold Steel for consultation with his product. He is a hot forged SAPH440 iron material, and now the punch has cracked after 1000 hits. What kind of mold steel is used for the punch to resist hitting? Hot forging punches need to withstand high temperatures and…

In the past, when mold steel was fake, there were some similarities, at least the hardness values were similar. But now when mold steel is fake, it can look nothing like anything. Yesterday, I learned about a bizarre case of 8566 forging. Mr. Su made a stainless steel cold heading mold and flattened the annealed…

Zhihu netizens ask: Why are alloy elements added to steel?  There are five main strengthening methods for steel, namely solid solution strengthening with carbon addition, displacement strengthening with alloy addition, forging strengthening, fine grain strengthening, and quenching strengthening with heat treatment. Adding alloying elements is the second largest strengthening method and the main method of…

Zhihu netizens ask: Why do some metal materials become abnormally brittle or even break at low temperatures? Previously, it was reported in the news that certain steels undergo brittle fracture in winter. What is the physical mechanism behind this? Is there any way to improve the low-temperature toughness of metal materials and ensure their reliability…

Yesterday when I saw a Rolls Royce car in Macau, I remembered the classic slogan of the Ogilvy: ‘At 60 miles per hour, the maximum noise comes from the electronic clock’. The beauty lies in the fact that this advertisement does not have adjectives, but describes quietness, forming a sharp contrast with our real-life perception…

Second hand wire rolling plate tool steel is a type of steel that many people use to pay intelligence taxes. Today, I met a person who found that stamping 2mm thick iron plates and using second-hand wire rolling plates can easily cause tool steel to break. What tool steel is recommended for those with good anti cracking performance?…

Mr. Chen sent a message last night saying, Mr. Wu, last time I bought a piece of inlay made of small materials, and it has been brewing for a month. It is still normal now. This is good news for LG mold steel, as it has helped customers solve another pain point. Mr. Chen found…

Stamping workers like to try tool steel. They can try six or seven different types of molds and always find a suitable one. This is the mentality of stamping workers. Mr. Xiong stamping 1mm thick 316L stainless steel is mainly a thinning process, and the parts are prone to cracking. ASP60, ASP23, SKH-9, SKH51 have all…

I just received a consultation from Mr. Luo about electric wood molds. The mold temperature is heated to 160-170 ℃, and the H13 hardness is HRC52. It is prone to wear and tear, with white lines, pits, and wear after tens of thousands of cycles. What kind of mold steel should be used for electric wood…

If you are buying Wu Dejian tool steel for material reports, don’t come to buy it. China Aerospace, Valeo, Kyocera and other Fortune 500 companies did not require material reports for purchasing Wu Dejian tool steel. On the contrary, it’s those who don’t change their names and buy a little bit of tool steel, with material reports,…