Do you know the classification of stainless steel balls in ball mills?
stainless steel ball mill is an important basic component of ball mill and an essential accessory of ball mill. Under some special conditions, steel balls made of special materials are often needed to complete the functions required in different environments. At present, the steel balls on the market are generally divided into two types: casting and forging, but their wear resistance is different.
casting steel ball is that the steel ball manufacturer heats up the waste burden such as scrap steel and scrap iron by using a medium frequency electric furnace to make the burden fully melt, in the process of furnace charge melting, a proper amount of precious metal alloy is added to the furnace for chemical quenching and tempering, after the temperature of molten iron reaches above 1550 ℃ and meets the requirements of process regulations, the qualified molten iron is poured into the steel ball mold or the steel ball production line mold. That is, the steel ball produced by casting and smelting is called casting steel ball.
forged steel balls are steel balls manufactured by steel ball manufacturers through direct high temperature heating and then forging. They do not need smelting and casting, just after forging, it is called a forged steel ball. The chromium content of forged steel balls is 0. 1% ~ 0. 5%, carbon content in 1. 0% or less and the steel ball is made by high-temperature forging. Although the surface hardness of some forged steel balls can reach more than or equal to 56, the core hardness of the forged steel ball is generally only more than 30 degrees due to its poor hardenability, under normal circumstances, forged steel balls are often treated with water quenching.
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