Graphite has good thermal conductivity, high temperature resistance, corrosion resistance and other characteristics, soGraphite crucibleIt has good thermal conductivity and high temperature resistance. In the process of high temperature use, it has a small coefficient of thermal expansion and certain strain resistance to rapid heating and cooling. It has strong corrosion resistance to acid and alkaline solutions and excellent chemical stability. In metallurgy, casting, machinery, chemical industry and other industrial sectors, it is widely used for smelting alloy tool steel and non-ferrous metals and their alloys. And has a good technical and economic effect. Next, let me help you understand the characteristics and uses of graphite crucibles:

First, the characteristics of graphite crucible:
Graphite crucibles are widely used for smelting alloy tool steels and non-ferrous metals and their alloys in metallurgy, casting, machinery, chemical industry and other industrial sectors because of their excellent properties. And has a good technical and economic effect.
The production technology level of domestic graphite crucibles has reached or even exceeded that of imported crucibles. High quality domestic crucibles have the following characteristics:
1. The high density of graphite crucible makes the crucible have the best thermal conductivity, and its thermal conductivity is obviously better than other imported crucibles;
2、Graphite crucibleThe special glaze layer and dense molding material on the surface greatly improve the corrosion resistance of the product and prolong its service life;
3. The graphite components in the graphite crucible are all natural graphite with very good thermal conductivity. The graphite crucible cannot be placed on the cold metal table immediately after heating to avoid its cracking due to rapid cooling. Diverse

A crucible is most suitable for melting a small amount of alloy. If you want to change the type of alloy, you only need to exchange graphite crucibles. Other melting methods, such as reverberatory furnace and non crucible induction furnace, are suitable for large-scale melting of a single alloy. If the type of molten alloy is changed, metal pollution will occur if the refractory lining is not replaced.

The second is the performance and use of graphite crucible:
Graphite crucibles for fire heating are mainly used for smelting non-ferrous metals such as copper, aluminum and alloy. The characteristics of graphite crucible are countless. Here we will give you a brief list.
Low energy consumption: the graphite crucible has reasonable design, advanced structure, novel materials, and lower energy consumption than the same type of furnace after testing.
Less pollution, because clean energy such as natural gas or liquefied gas can be used as fuel, less pollution.

Resistance furnaceHigh purity graphite crucibleIt is mainly used for smelting gold, silver and rare metals. Ceramic crucibles are mainly used for laboratory and melting of platinum, gold and rare metals. Whether the graphite crucible can work at a high temperature of 2000 degrees under the condition of air, the most important thing is that carburization is fatal. Under normal circumstances, it can reach 2000 degrees in the air, but it will oxidize rapidly. The problem of metal carburization must exist. Now there is a special anti carburizing coating on the market, and the effect is heard to be good.

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