IS 12847 : 1997 Carbon Bonded Silicon Carbide Crucibles - Specification

1 Scope

1.1 This standard covers the requirements of carbon bondedsilicon carbide crucibles, which can be used up to 1 500�C.

1.2 Provisions of this standard shall not apply to crucibles formelting of steel.

2 References

IS 1387 :1993General requirements for the supply ofmetallurgical materials

IS1528Methods of sampling and physical tests forrefractory materials

Part 1 :1980 Determination of pyrometric coneequivalent(PCE) and softening point

Part 12 :1974 Determination of bulk density

IS 1748 :1981Size of graphite crucibles