Super Steel ZDP 189 from XINZUO - The hardest Chinese kitchen knife from Aliexpress - cuts glass!

Super Steel ZDP 189 from XINZUO - The hardest Chinese kitchen knife from Aliexpress - cuts glass! ZDP-189 is a powder steel from Hitachi Metals with a high carbon and chromium content. ZDP-189 is a premium knife steel, developed based on amorphous alloy technology, which allows it to obtain very high hardness when hardened (up to 69 HRC). Today, ZDP-189 is the hardest steel in the world. Yangjiang Yangdong Xinzuo Industry Co., Ltd. is a professional knife manufacturing factory located in Guangdong, China. The main direction is the production of high-quality knives from high-quality steels in Damascus steel linings. Very decent knives at a relatively low price.

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📌 Aliexpress

💖 ► XINZUO 8.5" inch Chef's Knife Original Japanese ZDP189 Powder Steel 65-67 HRC Kitchen Knife Stainless Steel Tool Gyuto Knives
● https://s.click.aliexpress.com/e/_DFk...

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ZDP-189 grade steel is a powder tool steel made in Japan. The exact structure and composition of the elements are not known. Extremely high carbon and chromium content. A specially developed hardening technology with subsequent (according to some sources) cryogenic treatment. Very high hardness: 64-67 HRC, according to some sources with an upper limit of 69 HRC. Carbide content about 36% (see information below). Very good edge retention. On the other hand, ZDP-189 steel is quite brittle and is usually used in linings made of other steels, usually ATS34. Its corrosion resistance is said to be sufficient, although this issue is often ignored. Not recommended for knives with concave blades. Compared to other steels, it is considered difficult to sharpen. It’s worth, as it’s not hard to guess, quite a bit...
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