Graphite Crucible for Steel
The graphite crucible, also known as molten copper and copper, is a kind of crucible made from graphite, clay, silica and wax. Graphite crucibles are mainly used to smelt copper, brass, gold, silver, zinc,lead and other non-ferrous metals and their arlloys.
Application
silicon carbide graphite crucibles can be used in electric furnace,gas furnace,oil furnace and induction
furnace.
Features
*Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.
*High thermal conductivity: high-density body with low apparent porosity greatly improve its heat conductivity.
*New-style materials: new heat conduction materials ensure faster heat transference, reduces adherent slag and pollution.
*Resistance to corrosion: better anti-corrosion than normal clay-crucible.
*Resistance to oxidation: advanced process dramatically improves its oxidation resistance, which ensure persistent heat conductivity and long working lifetime.
Type of Crucible | SiC Crucible | Clay Crucible |
Carbon Content /% | ≥38 | ≥45 |
Buld Density /(g/cm³) | ≥1.70 | ≥1.85 |
Apparent Porosity /% | ≤29 | ≤21 |
Compression Strength /Mpa | ≥20 | ≥25 |
Refractoriness /℃ | ≥1500 | ≥1500 |
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