Black color stone chips is made of crushing stones ,which is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates.
Hot rolled steel is formed through a metal rolling process where the steel is pressed at temperatures above the its recrystallization threshold. This makes the steel easier to form, and results in products that are easier to work with.
Rare earth magnets have contributed greatly to the development of modern society, and it can be classified into Samarium Cobalt magnets and Neodymium magnets according to the alloy compositions. In fact, most people believe that rare earth magnets refer i
The phase composition of Neodymium magnet includes main phase and Nd-rich phase. Neodymium magnets are also can be machined into the cylinder shape, and Neodymium cylinder magnets are well received by civilian users.
Artificial graphite materials have been successfully used in pressure casting of nonferrous metals. For example, zinc-alloy and copper-alloy castings molds are made of pressure graphite casting molds. The artificial graphite materials have been used in au
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