The characteristics of graphite crucible
Sep 28, 2023
Graphite crucible has good thermal conductivity and high temperature resistance. In the process of high temperature use, the coefficient of thermal expansion is small, and it has certain strain resistance to acute heating and acute cooling. It has strong corrosion resistance to acid and alkaline solution and excellent chemical stability.
Graphite crucible, because of the above excellent properties, so in metallurgy, casting, machinery, chemical industry and other industrial sectors, is widely used in alloy tool steel smelting and non-ferrous metals and their alloys melting. And has a better technical and economic effect.
The production technology level of domestic graphite crucible has reached or even exceeded the imported crucible, and the high-quality domestic crucible has the following characteristics:
1. The high density of graphite crucible makes the crucible have the best thermal conductivity, and the thermal conductivity effect is significantly better than other imported crucible;
2, the surface of the graphite crucible has a special glaze layer and dense forming material, which greatly improves the corrosion resistance of the product and extends its service life;
3, the graphite components in the graphite crucible are all natural graphite, and the thermal conductivity is very good. The graphite crucible cannot be placed on a cold metal table immediately after heating to avoid cracking due to sharp cooling. Crucibles are most suitable for melting many kinds and few quantities of alloys. If you want to change the type of alloy, you only need to exchange the graphite crucible. Other melting methods such as reverberatory furnace and non-crucible induction furnace for melting, suitable for a large amount of melting of a single alloy, if the type of melting alloy is changed, if the lining refractory is not replaced, metal pollution will occur.
The type specifications of the crucible are more, and the application is not limited by the production scale, batch size and variety of melting substances, and can be arbitrarily selected, which has strong applicability and can ensure the purity of the smelted substances.
Graphite crucible, because of the above excellent properties, so in metallurgy, casting, machinery, chemical industry and other industrial sectors, is widely used in alloy tool steel smelting and non-ferrous metals and their alloys melting. And has a better technical and economic effect.
